@PHDTHESIS{BeiglPHD,
  author = {Michael Beigl},
  title = {Kommunikation in interaktiven R�umen},
  school = {University of Karlsruhe},
  year = {2001},
  ibrauthors = {beigl},
  ibrgroups = {dus},
  isbn = {3-8265-9273-5},
  publisher = {Shaker Verlag},
  url = {http://www.shaker.de/Online-Gesamtkatalog/Details.asp?ID=221285&CC=38094&ISBN=3-8265-9273-5&Reihe=15&ReiheUR=-2&start=1}
}