@inproceedings{HSSHA:04,
  address = {Aachen, Germany},
  author = {Holzer, Matthias and Singer, Rainer and Schlott, Stefan and Hörnlein, Alexander and Atzmueller, Martin},
  booktitle = {Proc. 8th Workshop of the GMDS AG},
  interhash = {01b42d1ae654e8c1b774fb021d7bb5c7},
  intrahash = {757f0518525b2165e5917e4299c37bea},
  publisher = {Shaker Verlag},
  title = {{Erfahrungen mit der Entwicklung des CASEPORT-Lernportals}},
  year = 2004
}

@inproceedings{HHASSLPF:05,
  address = {Berlin, Germany},
  author = {Holzer, Matthias and Hörnlein, Alexander and Atzmueller, Martin and Singer, Rainer and Schlott, Stefan and Leven, Franz-Josef and Puppe, Frank and Fischer, Martin R.},
  booktitle = {Proc. 9th Workshop of the GMDS AG},
  interhash = {2f068ee4f4f3406b76a71fc4e2ed8a4a},
  intrahash = {1accbdb4d8ccbadef6b96bf86e90cb0e},
  publisher = {Quintessenz Verlags-GmbH},
  title = {{Interoperability of Case-Based Training Systems in Medicine: The CASEPORT Approach}},
  year = 2005
}