@article{GerhardtSchoenwald2002,
  author    = {Gerhardt, Hans Joachim and Sch{\"o}nwald, J.},
  title     = {Eine neue Brandsimulationsvorrichtung},
  series = {vfdb-Zeitschrift. 51 (2002), H. 3},
  journal   = {vfdb-Zeitschrift. 51 (2002), H. 3},
  isbn      = {0042-1804},
  pages     = {91 -- 93},
  year      = {2002},
  language  = {de}
}
@article{GerhardtKonrathLieb2002,
  author    = {Gerhardt, Hans Joachim and Konrath, Bernd and Lieb, Rolf-Dieter},
  title     = {Zur Druckbel{\"u}ftung von Sicherheitstreppenr{\"a}umen},
  series = {vfdb-Zeitschrift. 51 (2002), H. 3},
  journal   = {vfdb-Zeitschrift. 51 (2002), H. 3},
  isbn      = {0042-1804},
  pages     = {122 -- 128},
  year      = {2002},
  language  = {de}
}
@book{Gerhardt1999,
  author    = {Gerhardt, Hans Joachim},
  title     = {Windeinwirkung auf Bedachungssysteme},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8265-4799-3},
  pages     = {IV, 126 S. : Ill., graph. Darst.},
  year      = {1999},
  language  = {de}
}
@article{GerhardtKonrath2003,
  author    = {Gerhardt, Hans Joachim and Konrath, Bernd},
  title     = {Rauchableitung in unterirdischen Verkehrsanlagen. M{\"o}glichkeiten und Hinweise zur Ausf{\"u}hrung.},
  series = {vfdb-Zeitschrift. 52 (2003), H. 2},
  journal   = {vfdb-Zeitschrift. 52 (2003), H. 2},
  isbn      = {0042-1804},
  pages     = {59 -- 65},
  year      = {2003},
  language  = {de}
}
@article{GerhardtKorath2004,
  author    = {Gerhardt, Hans Joachim and Korath, Bernd},
  title     = {Maschinelle Rauchableitung in besonderen Bauarten},
  series = {vfdb-Zeitschrift. 53 (2004), H. 4},
  journal   = {vfdb-Zeitschrift. 53 (2004), H. 4},
  isbn      = {0042-1804},
  pages     = {198 -- 204},
  year      = {2004},
  language  = {de}
}
@article{GerhardtSchwarz2003,
  author    = {Gerhardt, Hans Joachim and Schwarz, N.},
  title     = {Entrauchung {\"u}ber Seitenw{\"a}nde},
  series = {vfdb-Zeitschrift. 52 (2003), H. 1},
  journal   = {vfdb-Zeitschrift. 52 (2003), H. 1},
  isbn      = {0042-1804},
  pages     = {25 -- 35},
  year      = {2003},
  language  = {de}
}