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	von Hahn, N.; Kleine, H.; Bagschik, U.; Warfolomeow, I.; Börner, F.; Breuer, D.; Giesen, Y.; Hertwig, R.; von der Heyden, T.; Kolk, A.; Peters, S.; Siekmann, H.; Danhamer, E.; Fauss, J.; Deininger, C.; Felten, C.; Metzdorf, U.; Fischer, M.; Franke, G.; Küter, B.; Michels, P.; Fröhlich, H.P.; Kluger, N.; Neumann, H.-D.; Neumann, S.; Petersen, J.; Pohl, K.; Sucker, K.; Thullner, I.
	Indoor workplaces: procedure for investigation of the working environment
	Report. 1st english Edition 2016. 126 pages, 261 lit. refs., 41 tables, 30 figs. Published by: Deutsche Gesetzliche Unfallversicherung (DGUV), Berlin 2016. ISBN: 978-3-86423-160-5 (Language:EN)
	Abstract
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	Meyer, G.; Kirst, U.; Steinbock, H.; Feister, U.; Wittlich, M.; Schmitz, M.; Schwaß, D.; Siekmann, H.
	Measurement of the exposure of seamen to UV radiation
	IFA Report 3/2014. 62 pages, 19 lit. refs., 9 tables, 30 figs. Published by: Deutsche Gesetzliche Unfallversicherung (DGUV), Berlin 2014. ISBN: 978-3-86423-109-4 (Language:D)
	Abstract
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	von Hahn, N.; Kleine, H.; Bagschik, U.; Warfolomeow, I.; Börner, F.; Breuer, D.; Giesen, Y.; Hertwig, R.; von der Heyden, T.; Kolk, A.; Peters, S.; Siekmann, H.; Danhamer, E.; Fauss, J.; Deininger, C.; Felten, C.; Metzdorf, U.; Fischer, M.; Franke, G.; Küter, B.; Michels, P.; Fröhlich, H.P.; Kluger, N.; Neumann, H.-D.; Neumann, S.; Petersen, J.; Pohl, K.; Sucker, K.; Thullner, I.
	Indoor workplaces: procedure for investigation of the working environment
	Report. 3rd completely revised edition 2013. 231 pages, 261 lit. refs., 41 tables, 30 figs. Published by: Deutsche Gesetzliche Unfallversicherung (DGUV), Berlin 2013. ISBN: 978-3-86423-066-0 (Language:D)
	Abstract
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	Böcker, H.; Schwaß, D.; Wittlich, M.; Siekmann, H.
	Sicherheitstechnische Aspekte der Glasbearbeitung an Gasbrennern
	4 pages, 4 lit. refs., 5 figs. Fachinformationsblatt No. 46-13-0060-3. Published by: Verwaltungs-Berufsgenossenschaft, Hamburg 8/2012 (Language:D)
	Abstract
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	Reidenbach, H.D.; Brose, M.; Ott, G.; Siekmann, H.
	The practical manual of optical radiation: legal principles, practical implementation and support for companies
	294 pages, numerous lit. refs., tables and figs. Erich Schmidt Verlag, Berlin 2012. ISBN: 978-3-503-13822-7 (Language:D)
	Abstract
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	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.
	Problems with risk assessment of exposure to artificial optical radiation
	Technische Sicherheit 2 (2012) No. 1/2, pp. 43-46, 16 lit. refs., 3 tables (Language:D)
	Abstract
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	Schwaß, D.; Wittlich, M.; Schmitz, M.; Siekmann, H.
	Emission of UV radiation during arc welding
	12 pages, 9 lit. refs., 1 table, 11 figs. Published by: Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), Sankt Augustin 2011 (Language:EN)
	Abstract
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	Schwaß, D.; Wittlich, M.; Schmitz, M.; Siekmann, H.
	Emission of UV radiation during arc welding
	13 pages, 9 lit. refs., 1 table, 11 figs. Published by: Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), Sankt Augustin 2011 (Language:D)
	Abstract
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	Siekmann, H.
	Gaps in exposure limit values for optical radiation
	NIR 2011. Nichtionisierende Strahlung in Arbeit und Umwelt. 43rd Jahrestagung des Fachverbandes für Strahlenschutz, 19-21 September 2011, Dortmund - lecture. Proceedings, pp. 403-412, 12 lit. refs., 1 table, 2 figs. Published by: Reidenbach, H.D.; Dollinger, K.; Ott, G. TÜV Media, Cologne 2011. ISBN: 978-3-8249-1458-6 (Language:D)
	Abstract
	Siekmann, H.
	Instrumente zur UV-Expositionsermittlung aus Sicht der Prävention
	Dermatologie in Beruf und Umwelt 59 (2011) No. 2, pp. 60-66, 1 table, 3 figs. (Language:D)
	Abstract
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	Siekmann, H.
	Limit values for protection of the skin from burns due to exposure to radiant heat
	5 pages, 9 lit. refs., 1 table, 2 figs. Published by: Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), Sankt Augustin 2011 (Language:EN)
	Abstract
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	Siekmann, H.
	Carcinogenic potential of solar radiation and artificial sources of UV radiation
	8 pages, 4 lit. refs., 9 figs. Published by: Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), Sankt Augustin 2011 (Language:EN)
	Abstract
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	Siekmann, H.
	Kanzerogenes Potenzial von Sonnenstrahlung und künstlichen UV-Strahlenquellen
	8 pages, 4 lit. refs., 9 figs. Published by: Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), Sankt Augustin 2011 (Language:D)
	Abstract
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	Siekmann, H.
	Expositionsgrenzwerte zum Schutz der Haut vor Verbrennungen durch Wärmestrahlung
	5 pages, 9 lit. refs., 1 table, 2 figs. Published by: Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), Sankt Augustin 2011 (Language:D)
	Abstract
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	Siekmann, H.; Moghtader, S.
	Beurteilung von Gefährdungen durch optische Strahlung
	Licht 2010. 19th Gemeinschaftstagung der Lichttechnischen Gesellschaften Österreichs, Deutschlands, der Niederlande und der Schweiz. 17-20 October 2010, Vienna/Austria - lecture. Proceedings and CD-ROM, pp. 368-371, 2 lit. refs., 2 figs. Published by: LTG - Lichttechnische Gesellschaft Österreichs, Eichgraben/Austria 2010 (Language:D)
	Abstract
	Meyer, G.; Siekmann, H.; Feister, U.; Felten, C.; Hedtmann, J.
	Measurement of exposure to natural UV radiation on seagoing vessels
	50th Jahrestagung der Deutschen Gesellschaft für Arbeitsmedizin und Umweltmedizin (DGAUM). 16-19 June 2010, Dortmund - lecture. pp. 434-436. Published by: Griefahn, B.; Golka, K.; Hengstler, J.G.; Bolt, H.M. Deutsche Gesellschaft für Arbeitsmedizin und Umweltmedizin, Aachen 2010. ISBN: 978-3-9811784-3-2 (Language:D)
	Abstract
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	Brügger, E.; Hecker, C.; Siekmann, H.
	UV-Strahlung beim Schweißen: Hinweise zu Gefährdungsbeurteilung und Prävention
	5 pages, 15 lit. refs., 2 figs. Published by: Berufsgenossenschaft Metall Nord-Süd, Mayence 2010 (Language:D)
	Abstract
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	Brügger, E.; Hecker, C.; Siekmann, H.
	UV-Strahlung beim Schweißen
	VMBG Mitteilungen (2010) No. 5, pp. 14-15, 2 figs. (Language:D)
	Abstract
	Diepgen, T.L.; Fartasch, M.; Franz, K.; Heinrichs, B.; Siekmann, H.; Ullrich, J.; Zagrodnik, F.D.
	Skin cancer following exposure to UV radiation: an aid to the handling of cases of formally recognized occupational disease
	DGUV-Rundschreiben 0169/2010. 42 pages, 15 lit. refs., 6 figs. Published by: Deutsche Gesetzliche Unfallversicherung (DGUV), Berlin 2010 (Language:D)
	Abstract
	Schwaß, D.; Wittlich, M.; Schmitz, M.; Siekmann, H.
	UV radiation exposure in glasswork involving gas burners
	12 pages, 8 lit. refs., 15 figs. Published by: Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), Sankt Augustin 3/2010 (Language:D)
	Abstract
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	Schmitz, M.; Siekmann, H.
	Conversion of UV radiation quantities
	11 pages, 3 lit. refs., 6 figs. Published by: Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung (IFA), Sankt Augustin 3/2010 (Language:D)
	Abstract
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	Siekmann, H.
	The new EU Artificial Optical Radiation Directive
	ZfP-Zeitung (2009) No. 114, pp. 15-17, 5 lit. refs., 8 figs. (Language:D)
	Abstract
	Siekmann, H.
	Vorsicht Sonne - Gefahren und Schutzmaßnahmen
	48 pages, numerous figs. Published by: BGIA - Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung, Sankt Augustin 2008 (Language:D)
	Abstract
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	Siekmann, H.
	Anwendung von Grenzwerten für Expositionen durch inkohärente optische Strahlung
	7 pages, 6 lit. refs., 1 fig. Published by: BGIA - Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung, Sankt Augustin 2008 (Language:D)
	Abstract
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	Siekmann, H.
	Schutz vor optischen Strahlen
	Arbeit und Gesundheit spezial 60 (2008) No. 11, pp. 12-13, 3 lit. refs., 4 figs. (Language:D)
	Abstract
	Siekmann, H.
	Sonnenschutz für Läufer - Wie schütze ich mich beim Langstreckenlaufen am besten vor den Gefahren der Sonnenstrahlung?
	5 pages, 1 fig. Published by: BGIA - Institut für Arbeitsschutz der Deutschen Gesetzlichen Unfallversicherung, Sankt Augustin 2007 (Language:D)
	Abstract
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	Siekmann, H.
	2. CIE-Symposium Beleuchtung und Gesundheit
	0-5.1.3, 38th suppl. 12/07, 5 pages, 5 lit. refs., 1 fig. In: Handbuch für Beleuchtung. Published by: Lange, H. Ecomed Sicherheit, Landsberg/L. 2007 - loose-leaf edition (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.
	Schutz vor Verbrennungen durch heiße Oberflächen
	sicher ist sicher - Arbeitsschutz aktuell 58 (2007) No. 10, pp. 432-439, 14 lit. refs., 2 tables, 4 figs. (Language:D)
	Abstract
	Siekmann, H.
	2. CIE-Symposium Beleuchtung und Gesundheit
	die BG (2007) No. 9, pp. 369-373, 5 lit. refs., 3 figs. (Language:D)
	Abstract
	Brose, M.; Siekmann, H.
	Was bringt die neue EU-Richtlinie Künstliche Optische Strahlung?
	die BG (2007) No. 7, pp. 296-300, 20 lit. refs., 5 figs. (Language:D)
	Abstract
	Siekmann, H.; Aengenvoort, B.
	Suitability of sunscreen for the prevention of skin cancer
	BGIA-Report 3/2006e. 86 pages, 33 lit. refs., 2 tables and 2 annexes in German. Published by: Hauptverband der gewerblichen Berufsgenossenschaften, Berufsgenossenschaftliches Institut für Arbeitsschutz - BGIA, Sankt Augustin 2006. ISBN: 3-88383-715-6 (Language:EN)
	Abstract
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	Siekmann, H.
	Hochfrequenz-Schutzkleidung
	Workshop "Sicherheit in elektromagnetischen Feldern an Arbeitsplätzen" von BGIA und BGFE, 22-23 November 2005, Sankt Augustin - lecture. 7 pages, 9 lit. refs., 6 figs. Published by: Berufsgenossenschaftliches Institut für Arbeitsschutz - BGIA, Sankt Augustin 2006 (Language:D)
	Abstract
	Full text in PDF-format
	Kühl, E.; Siekmann, H.
	Glare at visual display terminals
	BGIA-Report 5/2006. 116 pages, 9 lit. refs., numerous tables and figs. and 10 annexes. Published by: Hauptverband der gewerblichen Berufsgenossenschaften, Berufsgenossenschaftliches Institut für Arbeitsschutz - BGIA, Sankt Augustin 2006. ISBN: 3-88383-706-7 (Language:D)
	Abstract
	Siekmann, H.; Aengenvoort, B.
	Suitability of sunscreen for the prevention of skin cancer
	BGIA-Report 3/2006. 88 pages, 33 lit. refs., 2 tables and 2 annexes. Published by: Hauptverband der gewerblichen Berufsgenossenschaften, Berufsgenossenschaftliches Institut für Arbeitsschutz - BGIA, Sankt Augustin 2006. ISBN: 3-88383-702-4 (Language:D)
	Abstract
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	Brose, M.; Brüggemeyer, H.; Reidenbach, H.D.; Serick, F.; Siekmann, H.; Sutter, E.
	Sichtbare und infrarote Strahlung
	In: Leitfaden "Nichtionisierende Strahlung" des Fachverbandes für Strahlenschutz, 29 pages., 39 lit. refs., 5 tables, 13 figs. FS-05-132-AKNIR. Published by: Fachhochschule Cologne - Forschungsbereich HLT, Cologne 2005 (Language:D)
	Abstract
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	Title obtainable from the editor or at the bookseller's.
	Brose, M.; Jossen, H.; Ott, G.; Reidenbach, H.D.; Siekmann, H.
	Ultraviolettstrahlung künstlicher Quellen
	In: Leitfaden "Nichtionisierende Strahlung" des Fachverbandes für Strahlenschutz, 22 pages., 13 lit. refs., 2 tables, 6 figs. FS-05-131-AKNIR. Published by: Fachhochschule Cologne - Forschungsbereich HLT, Cologne 2005 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Brose, M.; Ott, G.; Reidenbach, H.D.; Siekmann, H.; Steinmetz, M.; Völker, T.
	Sonnenstrahlung
	In: Leitfaden "Nichtionisierende Strahlung" des Fachverbandes für Strahlenschutz, 39 pages., 32 lit. refs., 9 tables, 13 figs. FS-05-130-AKNIR. Published by: Fachhochschule Cologne - Forschungsbereich HLT, Cologne 2005 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.
	Focus on occupational health and safety research: Glare on visual display terminals
	die BG (2005) No. 9, p. 589, 1 fig. (Language:D)
	Abstract
	Schwaß, D.; Siekmann, H.
	Solar radiation: hazards and protective measures
	7 pages, 1 table, 2 figs. Published by: Berufsgenossenschaftliches Institut für Arbeitsschutz - BGIA, Sankt Augustin 2005 (Language:D)
	Abstract
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	Meffert, K.; Blome, H.; Mattenklott, M.; Pflaumbaum, W.; Paszkiewicz, P.; Kolk, A.; Schneider, G.; Siekmann, H.; Christ, E.; Kloß, G.; Schaefer, M.; Ellegast, R.P.; Brüning, T.; Käfferlein, H.U.; Raulf-Heimsoth, M.; Pesch, B.; Johnen, G.; Merget, R.; Weiß, T.; Haufs, M.; Pfeiffer, B.H.; Windemuth, D.; Ulitzka, N.; Ulmer, W.; Müller, K.M.
	A Century of BG Research - History and Future Prospects
	die BG (2005) No. 5, pp. 220-236, 8 lit. refs., 28 figs. (Language:D)
	Abstract
	Full text in PDF-format
	Schwaß, D.; Siekmann, H.
	Welding with thoriated electrodes
	Sicherheitstechnisches Informations- und Arbeitsblatt 120 216, 46th suppl. I/2005, 3 pages, 12 lit. refs. In: BGIA-Handbuch Sicherheit und Gesundheitsschutz am Arbeitsplatz. Published by: Berufsgenossenschaftliches Institut für Arbeitsschutz - BGIA. 2nd edition. Erich Schmidt Verlag, Berlin 2003 - loose-leaf edition. ISBN: 3 503 07417 1 (Language:D)
	Abstract
	Full text in PDF-format
	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.
	Provisions for the protection against optical radiation - The status in 2004
	Lecture delivered at the 36th annual conference of the Fachverband für Strahlenschutz, 31 August - 2 September 2004 in Cologne. Compiled reports I: Nichtionisierende Strahlung, pp. 70-90, 37 lit. refs., 6 tables, 9 figs. Published by: Reidenbach, H.D.; Dollinger, K.; Hofmann, J. TÜV Verlag, Cologne 2004. ISBN: 3-8249-0901-4 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.; Reidenbach, H.D.
	Proposals for the development of ICNIRP guidelines on limits for optical radiation exposures
	International Non-Ionizing Radiation Workshop & Symposium, 20-22 May 2004, Sevilla; 36th Jahrestagung des Fachverbandes für Strahlenschutz, 31 August - 2 September 2004, Cologne - posters (in English) (Language:EN)
	Full text in PDF-format
	Siekmann, H.
	Standards for the measurement and assessment of incoherent optical radiation exposures - Support for ICNIRP guidelines
	International Non-Ionizing Radiation Workshop & Symposium, 20-22 May 2004, Sevilla; 36th Jahrestagung des Fachverbandes für Strahlenschutz, 31 August - 2 September 2004, Cologne - posters (in English) (Language:EN)
	Full text in PDF-format
	Siekmann, H.
	Glare on visual display terminals. New scientific findings
	Arbeit und Gesundheit spezial (2004) No. 5, p. Sp 20, 1 lit. ref., 1 table, 1 fig. (Language:D)
	Abstract
	Siekmann, H.
	Radon an Innenraumarbeitsplätzen
	8 pages, 11 lit. refs., 1 table, 3 figs. Edition 2/2003. Published by: Berufsgenossenschaftliches Institut für Arbeitsschutz - BIA, Sankt Augustin (Language:D)
	Abstract
	Full text in PDF-format
	Siekmann, H.
	Hazards to the Eyes from Optical Radiation
	9 pages, 19 lit. refs., 1 table, 7 figs. Published by: Berufsgenossenschaftliches Institut für Arbeitssicherheit - BIA, Sankt Augustin 2002 (Language:EN)
	Abstract
	Siekmann, H.
	Hazards to the Eyes from Optical Radiation
	10 pages, 19 lit. refs., 1 table, 7 figs. Published by: Berufsgenossenschaftliches Institut für Arbeitssicherheit - BIA, Sankt Augustin 2002 (Language:D)
	Abstract
	Siekmann, H.
	Touching hot surfaces: Burn risk assessment and protective measures
	6th World Conference Injury Prevention and Control, 12-15 May 2002, Montreal/Canada - lecture. Proceedings, pp. 586-587. Published by: Les Presses de l'Université de Montréal. ISBN: 2-7606-1845-5 (in English) (Language:EN)
	Abstract
	Siekmann, H.
	Hazard presented to the eyes by optical radiation
	Drittes Symposium Licht und Gesundheit, 21-22 February 2002, Berlin - lecture. Proceedings pp. 89-95, 6 lit. refs., 3 figs. Published by: Kaase, H.; Serick, F. Institut für Energie- und Automatisierungstechnik, Technische Universität, Berlin 2002. ISBN: 3-9807635-1-X (Language:D)
	Abstract
	Eggert, S.; Siekmann, H.
	Standardization in the area of nonionizing radiation
	KAN-Bericht 9/96. 2nd updated edition 2001. 195 pages, numerous lit. refs. and tables. Published by: Verein zur Förderung der Arbeitssicherheit in Europa (VFA), Kommission Arbeitsschutz und Normung (KAN), Sankt Augustin 2001. ISBN: 3-88383-589-7 (Language:D)
	Abstract
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	Siekmann, H.
	Danger: sunlight!
	BIA-Info 6/2001. Arbeit und Gesundheit spezial (2001) No. 6, p. sp 24, 2 lit. refs., 1 fig. (Language:D)
	Abstract
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	Buchwald, K.; Siekmann, H.; Fastnacht, M.
	Suitability of measuring systems on the basis of detector tubes for the measurement of hazardous workplace atmospheres
	Gefahrstoffe - Reinhaltung der Luft 61 (2001) No. 5, pp. 187-200, 11 lit. refs., 21 tables, 1 fig. (Language:D)
	Abstract
	Full text in PDF-format
	Siekmann, H.
	Hot surfaces - Protection against burns
	BIA-Info 12/2000. Arbeit und Gesundheit spezial (2000) No. 12, p. sp 48, 3 lit. refs., 1 fig. (Language:D)
	Abstract
	Full text in PDF-format
	Siekmann, H.
	Neues personenbezogenes Probenahmesystem für Stäube mit einem Volumenstrom von 10 L/min
	Gefahrstoffe - Reinhaltung der Luft 59 (1999) No. 1/2, pp. 13-14 (Language:D)
	Abstract
	Hockwin, O.; Müller-Breitenkamp, U.; Wegener, A.; Siekmann, H.
	UV-radiation and cataract: Do we have indications for a participation of UV-radiation in the formation of a Cataracta Senilis? (multifactorial pathogenesis of Senile Cataract)
	Lecture delivered at the 31st Annual Conference of theTechnical Association for Radiation Protection. 27 September - 01 October 1999, Cologne. Compiled reports I: Non-ionizing radiation, pp. 243-249, 35 lit. ref. Published by: Krause, N.; Fischer, M.; Steimel, H.-P. TÜV Verlag, Cologne 1999 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Wegener, A.; Hockwin, O.; Müller-Breitenkamp, U.; Siekmann, H.
	Experimental contributions to the understanding of ultraviolet radiation effects to the eye
	Lecture delivered at the 31st Annual Conference of theTechnical Association for Radiation Protection. 27 September - 01 October 1999, Cologne. Compiled reports I: Non-ionizing radiation, pp. 157-162, 17 lit. ref. Published by: Krause, N.; Fischer, M.; Steimel, H.-P. TÜV Verlag, Cologne 1999 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Ludwig, T.; Schwaß, D.; Seitz, G.; Siekmann, H.
	Intake of thorium with the use of thoriated tungsten electrodes for TIG welding
	Health Physics 77 (1999) No. 4, pp. 462-469 (in English) (Language:EN)
	Abstract
	Spiegel-Ciobanu, V.-E.; Ludwig, T.; Seitz, G.; Schwaß, D.; Siekmann, H.; Schumann, T.
	Handling of non-consumable tungsten electrodes containing thorium oxide
	Schweissen & Schneiden (Welding & Cutting) (1999) No. 11, pp. E232-E235, 3 lit. refs., 2 tables (in English) (Language:EN)
	Abstract
	Siekmann, H.
	Protective clothing for use in high-frequency electromagnetic fields
	In: Arbeit und Gesundheit - Yearbook 2000 - Innovation and Prevention. pp. 135-141, 8 lit. refs., 4 figs. Published by: Eichendorf, W. et al, Universum Verlagsanstalt, Wiesbaden 1999 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Müller-Breitenkamp, U.; Hockwin, O.; Siekmann, H.; Wegener, A.
	UV-induced pathology of the human eye
	Lecture delivered at the 31st Annual Conference of theTechnical Association for Radiation Protection. 27 September - 01 October 1999, Cologne. Compiled reports I: Non-ionizing radiation, pp. 149-156, 17 lit. ref., 1 table, 1 fig. Published by: Krause, N.; Fischer, M.; Steimel, H.-P. TÜV Verlag, Cologne 1999 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.
	Measurement and assessment of optical radiation - need for action
	Lecture delivered at the 31st Annual Conference of theTechnical Association for Radiation Protection. 27 September - 01 October 1999, Cologne. Compiled reports I: Non-ionizing radiation, pp. 513-526, 22 lit. ref., 4 figs. Published by: Krause, N.; Fischer, M.; Steimel, H.-P. TÜV Verlag, Cologne 1999 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Scholmann, J.; Siekmann, H.
	High frequency protective clothing - A new personal protective equipment
	Die BG (1999) No. 10, pp. 564-572, 18 lit. ref., 4 tables (Language:D)
	Abstract
	Siekmann, H.
	Experiences of Measurements at the Workplace
	Measurements of optical radiation hazards, 1-3 September 1998, Gaithersburg, Maryland/USA - Lecture. Conference report, ICNIRP 6/98, pp. 517-533, 29 lit. ref., 4 figs. Published by: International Commission on Non-Ionizing Radiation Protection, Secretariat: Bundesamt für Strahlenschutz, Institut für Strahlenhygiene, Oberschleißheim 1998 (in English) (Language:EN)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.
	Test tube measuring equipment Quick, on the spot information
	BIA-Info 7/99. Arbeit und Gesundheit spezial (1999) No. 7, p. sp 28 (Language:D)
	Abstract
	Full text in PDF-format
	Siekmann, H.; Scholmann, J.
	Criteria for testing protective equipment against high frequency electromagnetic fields
	Schriftenreihe der Bundesanstalt für Arbeitsschutz und Arbeitsmedizin, Dortmund, Fb 809. 58 pages, numerous references and figures. Wirtschaftsverlag NW, Bremerhaven 1998 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Dilger, H.; Breukelmann, G.; Buijs, K.; Roth, W.; van Schoor, A.; Siekmann, H.; Vogl, K.
	Control of indoor air activity
	66 pp., many fig. and tables, 12 lit.-ref. In: Publikationsreihe Fortschritte im Strahlenschutz. Published by: Dr. A. Dalheimer, Institut für Strahlenhygiene, Bundesamt für Strahlenschutz, Oberschleißheim/Neuherberg February 1997 ? loose-leaf collection of the working group incorporation control (AKI) (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Brüggemeyer, H.; Serick, F.; Siekmann, H.; Sutter, E.
	Visible and infrared radiation
	In: Leitfaden Nichtionisierende Strahlung, 30 pp., 13 fig., 4 tables, 39 lit.-ref. Published by: Fachverband für Strahlenschutz, c/o Berufsgenossenschaft der Feinmechanik und Elektrotechnik Köln, September 1997 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Müller-Breitenkamp, U.; Hockwin, O.; Siekmann, H.; Dragomirescu, V.
	Ultraviolet radiation as cataract risk factor ? A case report
	International Forum on Advanced Techniques in Lens and Cataract Research: Cataract Epidemiology. 6 to 8 June 1995, Kanazawa ? Paper. In: Developments in Ophthalmology, Vol. 27. Verlag Karger, Basel 1997, pp. 76-80, 2 fig., 12 lit.-ref. (in English) (Language:EN)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Ludwig, T.; Seitz, G.; Schwaß, D.; Siekmann, H.
	Measuring procedure for the control of indoor air with the handling of thoriated substances
	43 pp., many fig., tables, 32 lit.-ref., Published by: Institut für Strahlenschutz der Berufsgenossenschaft der Feinmechanik und Elektrotechnik und der Berufsgenossenschaft der chemischen Industrie, Köln 1997 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Ludwig, T.; Schwaß, D.; Seitz, G.; Siekmann, H.; Spiegel-Ciobanu, V.-E.
	Emission of radioactive substances during TIG welding with thoriated tungsten electrodes
	Die BG (1997) No. 1, pp. 27-31, 3 fig., 1 table, 13 lit.-ref. (Language:D)
	Abstract
	Siekmann, H.
	Release of radioactive substances during welding
	Arbeit und Gesundheit spezial (1997) No. 4, p. S15 (Language:D)
	Abstract
	Siekmann, H.; Hockwin, O.; Müller-Breitenkamp, U.
	Cataract caused by exposure to UV-radiation Expert appraisal of an occupational disease case and determination of the dose resulting in damage
	Arbeitsmedizin, Sozialmedizin, Umweltmedizin 32 (1997) No. 10, pp. 385-393, 2 fig., 4 tab., 24 lit.-ref. (Language:D)
	Abstract
	Mundigl, S.; Siekmann, H.
	Need for regulation and research in the field of quality assurance for indoor air control
	2. Fachgespräch Überwachung der Raumluftaktivität - Verfahren, Interpretation, Qualitätssicherung -, 12 and 13 October 1995, Schloß Hohenkammer/Bayern - Paper. Bericht des Bundesamtes für Strahlenschutz, BfS-ISH-175/96, December 1996, pp. 104-106 (Language:D)
	Abstract
	Siekmann, H.
	Measuring technique in air cleaning
	2. Fachgespräch Überwachung der Raumluftaktivität - Verfahren, Interpretation, Qualitätssicherung -, 12 and 13 October 1995, Schloß Hohenkammer/Bayern - Paper. Bericht des Bundesamtes für Strahlenschutz, BfS-ISH-175/96, December 1996, pp. 10-36, 25 fig., 3 tab. (Language:D)
	Abstract
	Siekmann, H.; Börner, F.
	Concepts for testing of protective clothing against high-frequency electromagnetic radiation (KONCEPCJE TESTOWANIA ODZIEZY OCHRONNEJ CHRONIACEJ PRZED PROMIENIOWANIEM ELEKTROMAGNETYCZNYM WIELKIEJ CZESTOTLIWOSCI)
	2nd. International Symposium EL-TEX '96, 26 and 27 September 1996, Lodz - Paper. Proceedings, pp. 261-276, 6 fig. Published by: Centralny Instytut Ochrony Pracy, Warszawa 1996 (Polish and English) (Language:EN,PL)
	Abstract
	Breuer, D.; Siekmann, H.
	American Industrial Hygiene Conference + Exposition (Amerikanische Konferenz und Ausstellung zum Thema Arbeitshygiene)
	Staub - Reinhalt. Luft 55 (1995) Nr. 2, pp. 75-76 (Language:D)
	Siekmann, H.
	Status quo of European standardisation - hazardous substances Status: May 1995 Information of the BIA for internal and external measuring services
	Staub - Reinhalt. Luft 55 (1995) No. 11, pp. 409-410, 1 tab. (Language:D)
	Abstract
	Coenen, W.; Blome, H.; Stamm, R.; Siekmann, H.; Lichtenstein, N.; Kleine, H.; Pfeiffer, W.
	Workplace assessment Hazardous substances: Measurement, assessment and preventive measures
	BIA-Report 4/94. 2. Modified edition, 108 pp., many fig., tab. and lit.-ref. Published by: Hauptverband der gewerblichen Berufsgenossenschaften, Sankt Augustin 1995 (Language:D)
	Abstract
	Siekmann, H.; Blome, H.
	Effects of the European standard EN 481 on the sampling of airborne particles in workplace atmosphere
	Staub - Reinhalt. Luft 54 (1994) No. 3, pp. 95 - 98, 3 fig., 1 tab., 11 lit.-ref. (Language:D)
	Abstract
	Siekmann, H.; Kleine, H.
	Direct-reading instruments
	Internationales Symposium "Clean air at work". 9.-13. september 1991, Luxemburg - Vortrag. Proceeding pp. 156-161, 1 tab. Published by: Commission of the European Communities 1992 (Language:EN)
	Abstract
	Siekmann, H.
	Infrared radiation - effects, limit values, protective measures
	Strahlenschutz für Mensch und Umwelt. Jubiläumstagung 30. september - 3 oktober 1991, Aachen - Vortrag. pp. 537 - 543, 3 fig., 8 lit.-ref. (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.
	Determination of maximum temperatures that can be tolerated on contact with hot surfaces
	Applied Ergonomics (1989), pp. 313-317 (Language:EN)
	Abstract
	Siekmann, H.
	Recommended maximum temperatures for touchable surfaces
	Applied Ergonomics (1990) No. 3, pp. 69-73, 7 lit. ref., 3 tab., 4 fig. (Language:EN)
	Abstract
	Siekmann, H.
	Measuring procedures for hazardous substances at the workplace - State of standardization -
	Part 1: Staub - Reinhalt. Luft 50 (1990) No. 10, pp. 355 - 360, 1 fig., 30 lit.-ref. Part 2: Staub - Reinhalt. Luft 50 (1990) No. 11, pp. 411 - 413, 1 tab. (Language:D)
	Abstract
	Siekmann, H.; Sandstede, R.P.
	Risks by ultraviolet radiation used in new drying systems of the printing technique
	5th Internationales Kolloquium der IVSS-Sektion Maschinenschutz: Risiken bei neuen Techniken und Technologien. 18-20 May 1988, Friedrichshafen - lecture. Proceedings, pp. 131-133. Published by: Internationale Sektion Maschinen- und Systemsicherheit der IVSS, Mannheim 1988 (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Lambert, J.; Hahn, J.U.; Pfeiffer, W.; Siekmann, H.
	BIA-recommendations. General requirements on measuring methods for the determination of harmful material concentrations in workplace atmospheres
	Part 1: Staub - Reinhaltung der Luft 48 (1988) No. 9, pp. 345-349, 7 lit. ref., 1 tab. Part 2: Staub - Reinhaltung der Luft 48 (1988) No. 10, pp. 397-400, 7 lit. ref. --- arbeitsmedizin aktuell, 25th suppl., 11/89, pp. 145-158. Fischer Verlag, Stuttgart 1989 (Language:D)
	Abstract
	Siekmann, H.
	Eye lens opacity by heat radiation
	Proceeding Nichtionisierende Strahlung 1988, pp. 36-39, 3 fig., 1 tab., 4 lit.-ref. (21 Jahrestagung des Fachverbandes für Strahlenschutz 7.-9.11.88, Köln - Vortrag) (Language:D)
	Abstract
	Title obtainable from the editor or at the bookseller's.
	Siekmann, H.; Blome, H.
	Sampling systems: Special requirements and development tendencies
	Fachtagung "Gefahrstoffe am Arbeitsplatz", 21.-23.10.1987, Bonn - Vortrag. Proceeding pp. 227-247, 11 lit. ref., 9 fig. Published by: Berufsgenossenschaftliches Institut für Arbeitssicherheit - BIA, Sankt Augustin 1987 --- Staub - Reinhaltung der Luft 48 (1988) No. 3, p. 89-94 (Language:D)
	Abstract
	Lambert, J.; Hahn, J.U.; Pfeiffer, W.; Siekmann, H.
	General requirements on measuring methods for the determination of harmful material concentrations in workplace atmospheres
	Fachtagung "Gefahrstoffe am Arbeitsplatz", 21.-23.10.1987, Bonn - Vortrag. Proceeding pp. 208-226, 5 lit. ref., 6 fig. Published by: Berufsgenossenschaftliches Institut für Arbeitssicherheit, Sankt Augustin 1987 (Language:D)
	Abstract