@article{GerhardtKramer1992,
  author    = {Gerhardt, Hans Joachim and Kramer, C.},
  title     = {Rauch- und W{\"a}rmeabzug - physikalische Grundlagen und Anwendungen},
  series = {vfdb-Zeitschrift. 41 (1992), H. 2},
  journal   = {vfdb-Zeitschrift. 41 (1992), H. 2},
  isbn      = {0042-1804},
  pages     = {49 -- 54},
  year      = {1992},
  language  = {de}
}
@article{Gerhardt1992,
  author    = {Gerhardt, Hans Joachim},
  title     = {Physikalische und brandschutztechnische Grundlagen des Rauch- und W{\"a}rmeabzugs},
  series = {VDI-Berichte. 983 (1992)},
  journal   = {VDI-Berichte. 983 (1992)},
  isbn      = {0083-5560},
  pages     = {51 -- 69},
  year      = {1992},
  language  = {de}
}
@article{GerhardtKonrathKrameretal.1992,
  author    = {Gerhardt, Hans Joachim and Konrath, B. and Kramer, C. and Oliveira, L.-A.},
  title     = {Aerodynamische Abdichtung von Anlagen f{\"u}r die Bandbearbeitung},
  series = {Blech, Rohre, Profile. 39 (1992), H. 1},
  journal   = {Blech, Rohre, Profile. 39 (1992), H. 1},
  isbn      = {0006-4688},
  pages     = {39 -- 1},
  year      = {1992},
  language  = {de}
}