@article{GerhardtKramerJanssen1985,
  author    = {Gerhardt, Hans Joachim and Kramer, C. and Janssen, L.-J.},
  title     = {Flow studies of an open jet wind tunnel and comparison with closed and slotted walls},
  pages     = {7 -- 28},
  year      = {1985},
  language  = {en}
}
@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}
}
@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}
}