@InProceedings{HastHopfErtl96,
  author =       {Hastreiter, P. and Hopfer, W.  and Ertl, T.},
  title =        {{Semi-Automatic Registration of 3D Multi-Modality Brain
Images based on an Information Theoretic Approach}},
  booktitle =    {Digitale Bildverarbeitung in der Medizin},
  year =         1996,
  pages     = {132-137},
  editor    = {Arnolds, B. and M\"uller, H. and Saupe, D. and Tolxdorff, T.},
  publisher = {Dt. Ges. f. med. Inf., Biom. u. Epidem. (GMDS) e.V.},
  organization = {Freiburger Arbeitskreis f\"ur Bildverarbeitung, Ges. f. Inf. (GI)},
  address =      {Albert-Ludwigs-Universit\"at Freiburg}
}