@INPROCEEDINGS{2003-BVM-FM,
  author = {J. Modersitzki and B. Fischer},
  title = {Optimal image registration with a guaranteed one-to-one point match},
  booktitle = {Bildverarbeitung f\"ur die Medizin 2003},
  year = {2003},
  editor = {T Wittenberg et al.},
  pages = {1--5},
  publisher = {Springer},
}