@book{BHMH02,
  author    = {Peter Baumgartner and Hartmut Häfele and Kornelia Maier-Häfele},
  title     = {E-Learning Praxishandbuch : Auswahl von Lernplattformen; Marktübersicht, Funktionen, Fachbegriffe},
  year      = {2002},
  address   = {Innsbruck},
  publisher = {StudienVerlag},
  isbn      = {3-7065-1771-X}
}

@techreport{DD80,
  author      = {Stuard E. Dreyfus and Hubert L. Dreyfus},
  title       = {A Five-Stage Model Of The Mental Activities Involved In Directed Skill Acquisition},
  institution = {University of California, Berkley},
  year        = {1980},
  url         = {http://www.dtic.mil/cgi-bin/GetTRDoc?AD=ADA084551&Location=U2&doc=GetTRDoc.pdf}
}

@misc{Fre07,
  author = {{Free Software Foundation}},
  title  = {GNU AFFERO GENERAL PUBLIC LICENSE},
  year   = {2007},
  url    = {http://www.gnu.org/licenses/agpl-3.0.de.html}
}

@unpublished{Mus12,
  author = {Max Mustermann},
  title  = {tolles Musterthema},
  note   = {Studienarbeit},
  year   = {2012},
  address= {Musterstadt}
}