@phdthesis{trier05visualization,
  author = {Trier, Matthias},
  interhash = {f36769dd1fffe61d9239e4b4b7dc40e9},
  intrahash = {66eb70a04e6946077182446170dd6dcf},
  title = {IT-supported Visualization and Evaluation of Virtual Knowledge Communities. Applying Social Network Intelligence Software in Knowledge Management to enable knowledge oriented People Network Management},
  url = {http://nbn-resolving.de/urn/resolver.pl?urn=urn:nbn:de:kobv:83-opus-10720},
  year = 2005
}

@book{phdthesisBookAho04,
  address = {Berlin},
  author = {Hotho, Andreas},
  interhash = {174d464d8c6c38b690ab8aa76cd3fe5f},
  intrahash = {fc7f40f7b7c8e3f72acb881b6d2d2680},
  isbn = {3-89838-286-9},
  publisher = {Akademische Verlagsgesellschaft Aka GmbH},
  series = {Diski},
  title = {Clustern mit Hintergrundwissen},
  url = {http://www.kde.cs.uni-kassel.de/hotho/pub/2004/dissAho.pdf},
  volume = 286,
  year = 2004
}