@article{HelsperFissanMugglietal.1983,
  author    = {Helsper, Christoph and Fißan, H. J. and Muggli, J. and Scheidweiler, A.},
  title     = {Verification of Ionization Chamber Theory},
  series = {Fire Technology. 19 (1983), H. 1},
  journal   = {Fire Technology. 19 (1983), H. 1},
  isbn      = {1572-8099},
  pages     = {14 -- 21},
  year      = {1983},
  language  = {en}
}
@article{HelsperFissan1983,
  author    = {Helsper, Christoph and Fißan, H. J.},
  title     = {Calibration of the Polytec HC-15 and HC-70 Optical Particle Counters / Fißan, H. J. ; Helsper, C.},
  series = {Aerosols in the mining and industrial work environments, Vol. 3. Instrumentation, Marple, Virgil A. ; Liu, Benjamin Y.},
  journal   = {Aerosols in the mining and industrial work environments, Vol. 3. Instrumentation, Marple, Virgil A. ; Liu, Benjamin Y.},
  publisher = {Ann Arbor Science},
  address   = {Ann Arbor, Mich.},
  pages     = {825 -- 829},
  year      = {1983},
  language  = {en}
}
@article{HelsperNiessnerRoenicke1984,
  author    = {Helsper, Christoph and Nießner, R. and R{\"o}nicke, G.},
  title     = {Application of a Multistep Condensation Nuclei Counter as a Detector for Particle Surface Composition / Nießner, R.; Helsper, C.; R{\"o}nicke, G.},
  series = {Aerosols : science, technology, and industr. applications of airborne particles ; proceedings of the 1. Internat. Aerosol Conference held Sept. 17-21, 1984, Minneapolis, Minn., U.S.A / ed.: Benjamin Y. H. Liu},
  journal   = {Aerosols : science, technology, and industr. applications of airborne particles ; proceedings of the 1. Internat. Aerosol Conference held Sept. 17-21, 1984, Minneapolis, Minn., U.S.A / ed.: Benjamin Y. H. Liu},
  publisher = {Elsevier},
  address   = {New York [u.a.]},
  isbn      = {0444009477},
  pages     = {63 -- 66},
  year      = {1984},
  language  = {en}
}
@article{HelsperFissanKapadietal.1982,
  author    = {Helsper, Christoph and Fißan, H. J. and Kapadi, A. and Liu, B. Y. H.},
  title     = {Data Inversion by Simplex Minimization for the Electrical Aerosol Analyzer},
  series = {Aerosol Science and Technology. 1 (1982), H. 1982},
  journal   = {Aerosol Science and Technology. 1 (1982), H. 1982},
  isbn      = {0278-6826},
  pages     = {136 -- 146},
  year      = {1982},
  language  = {en}
}
@article{HelsperFissanMugglietal.1980,
  author    = {Helsper, Christoph and Fißan, H. J. and Muggli, J. and Scheidweiler, A.},
  title     = {Particle Number Distributions of Aerosols from Test Fires},
  series = {Journal of Aerosol Science. 11 (1980), H. 5-6},
  journal   = {Journal of Aerosol Science. 11 (1980), H. 5-6},
  isbn      = {0021-8502},
  pages     = {439 -- 446},
  year      = {1980},
  language  = {en}
}
@article{HelsperFissan1981,
  author    = {Helsper, Christoph and Fißan, H. J.},
  title     = {Response Characteristic of a Polytec HC-15 Optical Particle Counter},
  series = {Aerosols in science, medicine and technology : Physical and chemical properties of aerosols : Association for Aerosol Research: annual conference. 1980 : Gesellschaft f{\"u}r Aerosolforschung: annual conference. 1980 : Aerosols in science, medicine and technology : Physical and chemical properties of aerosols : Associa-tion for Aerosol Research: annual conference. 1980 : Gesellschaft f{\"u}r Aerosolforschung: annual conference. 1980 : Schmallenberg, 22.10.80 - 24.10.80},
  journal   = {Aerosols in science, medicine and technology : Physical and chemical properties of aerosols : Association for Aerosol Research: annual conference. 1980 : Gesellschaft f{\"u}r Aerosolforschung: annual conference. 1980 : Aerosols in science, medicine and technology : Physical and chemical properties of aerosols : Associa-tion for Aerosol Research: annual conference. 1980 : Gesellschaft f{\"u}r Aerosolforschung: annual conference. 1980 : Schmallenberg, 22.10.80 - 24.10.80},
  publisher = {Pergamon Pr.},
  address   = {Oxford},
  pages     = {287 -- 292},
  year      = {1981},
  language  = {en}
}
@article{Helsper1979,
  author    = {Helsper, Christoph},
  title     = {Evaluation of Particle Size Distributions by Means of Particle Counters / Fißan, H. J. ; Helsper, C.},
  series = {Proceedings of the First Workshop of Particulate Control : 16. - 17. March 1978, Kernforschung-sanlage J{\"u}lich GmbH / prepared by U.S. Environmental Protection Agency, Off. of Research and Development, Washington, D.C, 1979,},
  journal   = {Proceedings of the First Workshop of Particulate Control : 16. - 17. March 1978, Kernforschung-sanlage J{\"u}lich GmbH / prepared by U.S. Environmental Protection Agency, Off. of Research and Development, Washington, D.C, 1979,},
  publisher = {Zentralbibliothek d. Kernforschungsanlage J{\"u}lich [in Komm.]},
  address   = {J{\"u}lich},
  pages     = {495 S.: Ill., graph. Darst.},
  year      = {1979},
  language  = {en}
}
@article{HelsperFissan1979,
  author    = {Helsper, Christoph and Fißan, H. J.},
  title     = {Numerical Simulation Studies and Data Reduction for Size Classifying Measurement Techniques / Fißan, H. J.; Helsper, C.},
  series = {Aerosols in science, medicine and technology : conference / Gesellschaft f{\"u}r Aerosolforschung 7. 1979.},
  journal   = {Aerosols in science, medicine and technology : conference / Gesellschaft f{\"u}r Aerosolforschung 7. 1979.},
  pages     = {199 -- 205},
  year      = {1979},
  language  = {en}
}
@article{HelsperFissan1980,
  author    = {Helsper, Christoph and Fißan, H. J.},
  title     = {Numerical Simulation Studies and Data Reduction for Size Classifying Measurement Techniques / Fißan, H. J.; Helsper, C.},
  series = {Advances in Particle Sampling and Measurement: Proceedings, Daytona Beach, EPA 600/9 80 004, 1980},
  journal   = {Advances in Particle Sampling and Measurement: Proceedings, Daytona Beach, EPA 600/9 80 004, 1980},
  publisher = {National Technical Information Service},
  address   = {Springfield, Va.},
  pages     = {VII, 409 S.},
  year      = {1980},
  language  = {en}
}
@article{SchwarzerWernerHartz2004,
  author    = {Schwarzer, Klemens and Werner, M. and Hartz, T.},
  title     = {Lacasa - an instrument for the energy analysis and optimisation of buildings including technical equipment},
  series = {Proceedings / organised by: ISES Europe ... [Ed.: Deutsche Gesellschaft f{\"u}r Sonnenenergie e.V. - DGS, Munich ; PSE GmbH - Forschung Entwicklung Marketing, Freiburg]. - Vol. 2},
  journal   = {Proceedings / organised by: ISES Europe ... [Ed.: Deutsche Gesellschaft f{\"u}r Sonnenenergie e.V. - DGS, Munich ; PSE GmbH - Forschung Entwicklung Marketing, Freiburg]. - Vol. 2},
  publisher = {PSE},
  address   = {Freiburg [Breisgau]},
  isbn      = {3-9809656-2-7},
  pages     = {2-489-2-494},
  year      = {2004},
  language  = {en}
}
@article{VelrajSeenirajHafneretal.1997,
  author    = {Velraj, R. and Seeniraj, R. V. and Hafner, B. and Faber, Christian and Schwarzer, Klemens},
  title     = {Experimental analysis and numerical modelling of inward solidification on a finned vertical tube for a latent heat storage unit},
  series = {Solar energy. 60 (1997), H. 5},
  journal   = {Solar energy. 60 (1997), H. 5},
  isbn      = {0038-092X},
  pages     = {281 -- 290},
  year      = {1997},
  language  = {en}
}
@article{SpaeteFaberSchwarzeretal.2004,
  author    = {Sp{\"a}te, Frank and Faber, Christian and Schwarzer, Klemens and Hartz, Thomas},
  title     = {Comparison of solar hot water systems in solar settlements - decentralized or centralized systems?},
  series = {Proceedings / organised by: ISES Europe ... [Ed.: Deutsche Gesellschaft f{\"u}r Sonnenenergie e.V. - DGS, Munich ; PSE GmbH - Forschung Entwicklung Marketing, Freiburg]. - Vol. 1},
  journal   = {Proceedings / organised by: ISES Europe ... [Ed.: Deutsche Gesellschaft f{\"u}r Sonnenenergie e.V. - DGS, Munich ; PSE GmbH - Forschung Entwicklung Marketing, Freiburg]. - Vol. 1},
  publisher = {PSE},
  address   = {Freiburg [Breisgau]},
  isbn      = {3-9809656-1-9},
  pages     = {1-666-1-671},
  year      = {2004},
  language  = {en}
}
@article{KhedimSchwarzerFaberetal.2004,
  author    = {Khedim, Ahmed and Schwarzer, Klemens and Faber, Christian and M{\"u}ller, Christoph},
  title     = {Production d{\´e}centralis{\´e}e de l'eau potable {\`a} l'{\´e}nergie solaire},
  series = {Desalination. 168 (2004), H. 1-3},
  journal   = {Desalination. 168 (2004), H. 1-3},
  isbn      = {0011-9164},
  pages     = {13 -- 20},
  year      = {2004},
  language  = {en}
}
@article{Bruessermann1989,
  author    = {Br{\"u}ssermann, Klaus},
  title     = {H3 and C14 air monitoring according to KTA 1503.1},
  series = {2. Karlsruhe international conference on analytical chemistry in nuclear technology, Karlsruhe (Germany), 5-9 Jun 1989},
  journal   = {2. Karlsruhe international conference on analytical chemistry in nuclear technology, Karlsruhe (Germany), 5-9 Jun 1989},
  pages     = {223},
  year      = {1989},
  language  = {en}
}
@article{BruessermannAshtonLeichtetal.1994,
  author    = {Br{\"u}ssermann, Klaus and Ashton, P. and Leicht, R. and Martens, B.-R.},
  title     = {Concept of the Konrad repository documentation system for radioactive wastes (DORA) / Ashton, P.; Leicht, R.; Martens, B.-R.; Giller, H. Br{\"u}ssermann, K.},
  series = {Kerntechnik 94 : Jahrestagung, 17.-19. Mai 1994, Stuttgart: Tagungsbericht = Nuclear technology, annual meeting 94 / Veranst.: Kerntechnische Gesellschaft; Deutsches Atomforum},
  journal   = {Kerntechnik 94 : Jahrestagung, 17.-19. Mai 1994, Stuttgart: Tagungsbericht = Nuclear technology, annual meeting 94 / Veranst.: Kerntechnische Gesellschaft; Deutsches Atomforum},
  publisher = {INFORUM Verl.- u. Verwaltungs-Ges.},
  address   = {Bonn},
  pages     = {294 -- 297},
  year      = {1994},
  language  = {en}
}
@article{FoersterDarmoDubeckyetal.1996,
  author    = {F{\"o}rster, Arnold and Darmo, J. and Dubeck{\´y}, F. and Kordos, P.},
  title     = {Annealing characteristics of native defects in low-temperature-grown MBE GaAs / J. Darmo ; F. Dubecky ; P. Kordos ; A. F{\"o}rster},
  series = {Semiconducting and insulating materials 1996 : proceedings of the 9th Conference on Semiconducting and Insulating Materials (SIMC '9), April 29 - May 3, 1996, Toulouse, France / [IEEE]},
  journal   = {Semiconducting and insulating materials 1996 : proceedings of the 9th Conference on Semiconducting and Insulating Materials (SIMC '9), April 29 - May 3, 1996, Toulouse, France / [IEEE]},
  address   = {Piscataway, NJ [u.a.]},
  isbn      = {0-7803-3095-1},
  pages     = {67 -- ff.},
  year      = {1996},
  language  = {en}
}
@article{Kern1990,
  author    = {Kern, Alexander},
  title     = {The heating of metal sheets caused by direct lightning strikes-model and measurement},
  series = {20th ICPL / International Conference on Lightning Protection, Congress-Center Casino Interlaken, Switzerland, September 24-28, 1990 = Internationale Blitzschutzkonferenz, Congress-Center Casino Interlaken, Schweiz, 24.-28. September 1990},
  journal   = {20th ICPL / International Conference on Lightning Protection, Congress-Center Casino Interlaken, Switzerland, September 24-28, 1990 = Internationale Blitzschutzkonferenz, Congress-Center Casino Interlaken, Schweiz, 24.-28. September 1990},
  publisher = {Schweizerischer Elektrotechnischer Verein},
  address   = {[Z{\"u}rich]},
  pages     = {[522] S. (getr. Z{\"a}hl.) : Ill.},
  year      = {1990},
  language  = {en}
}
@article{Kern1989,
  author    = {Kern, Alexander},
  title     = {Time dependent temperature distribution in metal sheets caused by direct lightning strikes},
  series = {Proceedings / Sixth International Symposium on High Voltage Engineering : 28. August - 1. September, 1989, Westin Canal Place Hotel, New Orleans, Louisiana, USA},
  journal   = {Proceedings / Sixth International Symposium on High Voltage Engineering : 28. August - 1. September, 1989, Westin Canal Place Hotel, New Orleans, Louisiana, USA},
  publisher = {Mississippi State University},
  address   = {Mississippi State, Miss.},
  year      = {1989},
  language  = {en}
}
@article{KernLangWiesingeretal.1989,
  author    = {Kern, Alexander and Lang, U. and Wiesinger, J. and Zischank, Wolfgang J.},
  title     = {The longitudinal voltage of cable tubes with a screening mesh caused by partial lightning currents},
  series = {Proceedings / Sixth International Symposium on High Voltage Engineering : 28. August - 1. September, 1989, Westin Canal Place Hotel, New Orleans, Louisiana, USA},
  journal   = {Proceedings / Sixth International Symposium on High Voltage Engineering : 28. August - 1. September, 1989, Westin Canal Place Hotel, New Orleans, Louisiana, USA},
  publisher = {Mississippi State University},
  address   = {Mississippi State, Miss.},
  year      = {1989},
  language  = {en}
}
@article{KernZischank1988,
  author    = {Kern, Alexander and Zischank, Wolfgang J.},
  title     = {Melting effects on metal sheets and air termination wires caused by direct lightning strikes},
  series = {Conference proceedings : Graz, {\"O}sterreich, 25. - 29. April 1988 / Gesamtorganisation: {\"O}sterr. Verb. f{\"u}r Elektrotechnik ({\"O}VE), Fachausschuß Blitzschutz ... [Red.: G. Diendorfer ...]},
  journal   = {Conference proceedings : Graz, {\"O}sterreich, 25. - 29. April 1988 / Gesamtorganisation: {\"O}sterr. Verb. f{\"u}r Elektrotechnik ({\"O}VE), Fachausschuß Blitzschutz ... [Red.: G. Diendorfer ...]},
  publisher = {Eigenverl. des {\"O}VE},
  address   = {Wien},
  isbn      = {3-85133-001-3},
  year      = {1988},
  language  = {en}
}