@article{FoersterLangeGerthsen1994,
  author    = {F{\"o}rster, Arnold and Lange, J. and Gerthsen, D.},
  title     = {The effect of growth temperature on AlAs/GaAs resonant tunnelling diodes},
  series = {Journal of Physics D: Applied Physics. 27 (1994), H. 1},
  journal   = {Journal of Physics D: Applied Physics. 27 (1994), H. 1},
  isbn      = {0022-3727},
  pages     = {175 -- 178},
  year      = {1994},
  language  = {en}
}
@article{BoeckerKuwertLangenetal.1994,
  author    = {Boecker, Henning and Kuwert, Torsten and Langen, Karl-J. and Lange, Herwig W. and Czech, Norbert and Ziemons, Karl and Herzog, Hans and Shikare, Shekar and Weindl, Anton and Feinendegen, Ludwig E.},
  title     = {SPECT with HMPAO compared to PET with FDG in Huntington disease},
  series = {Journal of Computer Assisted Tomography},
  volume    = {18},
  journal   = {Journal of Computer Assisted Tomography},
  number    = {4},
  isbn      = {1532-3145},
  pages     = {542 -- 548},
  year      = {1994},
  language  = {en}
}