@article{GerhardtKramer1985,
  author    = {Gerhardt, Hans Joachim and Kramer, C.},
  title     = {Aerodynamsiche RA-Optimierung},
  series = {Zentralblatt fuer Industriebau. 31 (1985), H. 5},
  journal   = {Zentralblatt fuer Industriebau. 31 (1985), H. 5},
  isbn      = {0044-4227},
  pages     = {358 -- 362},
  year      = {1985},
  language  = {en}
}
@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}
}
@article{GerhardtCooperWhitbreadetal.1985,
  author    = {Gerhardt, Hans Joachim and Cooper, K.-R. and Whitbread, R. and Gary, K.-P. (u.a.)},
  title     = {A comparison of aerodynamic drag measurements on model trucks in closed-jet and open-jet wind tunnels},
  pages     = {261 -- 274},
  year      = {1985},
  language  = {en}
}