@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{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{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{AckermannJaegerOsterfeldetal.1993,
  author    = {Ackermann, Hans-Josef and J{\"a}ger, Michael and Osterfeld, Utz and Hornung, Christoph},
  title     = {Building a Multimedia ISDN PC / J{\"a}ger, Michael ; Osterfeld, Utz ; Ackermann, Hans-Josef ; Hornung, Christoph},
  series = {Institute of Electrical and Electronics Engineers: IEEE computer graphics and applications. 13 (1993), H. 5},
  journal   = {Institute of Electrical and Electronics Engineers: IEEE computer graphics and applications. 13 (1993), H. 5},
  isbn      = {0272-1716},
  pages     = {24 -- 33},
  year      = {1993},
  language  = {en}
}
@article{Ackermann1996,
  author    = {Ackermann, Hans-Josef},
  title     = {Single chip hardware support for rasterization and texture mapping},
  series = {Computers \& graphics : CAG ; an international journal of applications in computer graphics. 20 (1996), H. 4},
  journal   = {Computers \& graphics : CAG ; an international journal of applications in computer graphics. 20 (1996), H. 4},
  isbn      = {0097-8493},
  pages     = {503 -- 514},
  year      = {1996},
  language  = {en}
}
@article{Ackermann1997,
  author    = {Ackermann, Hans-Josef},
  title     = {Morphing- und Level-of-Detail-Techniken zur Reduzierung des Darstellungsaufwands bei Echtzeit-Sichtsimulationen},
  series = {Digital controls for high resolution display : JESSI Europrojekt No. 3203000, AE-36 ; Abschlußbericht ; Laufzeit u. Berichtszeitraum: 01.01.1995 bis 31.12.1996.},
  journal   = {Digital controls for high resolution display : JESSI Europrojekt No. 3203000, AE-36 ; Abschlußbericht ; Laufzeit u. Berichtszeitraum: 01.01.1995 bis 31.12.1996.},
  address   = {Erlangen},
  year      = {1997},
  language  = {en}
}
@article{StephanGueth1984,
  author    = {Stephan, J{\"u}rgen and G{\"u}th, Werner},
  title     = {Equilibrium Selection in the One Seller and Many Buyers Game / G{\"u}th, Werner, Stephan, J{\"u}rgen},
  series = {Zeitschrift f{\"u}r National{\"o}konomie. Journal of Economics. 44 (1984), H. 3},
  journal   = {Zeitschrift f{\"u}r National{\"o}konomie. Journal of Economics. 44 (1984), H. 3},
  isbn      = {1617-7134},
  pages     = {267 -- 281},
  year      = {1984},
  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}
}