@book{Back.2008,
  address = {München},
  author = {Back, Andrea},
  edition = {1. Nachdr.},
  interhash = {fad6e7a40d4c53d1aba66f7d35389137},
  intrahash = {bb18e654c7904e0270bc94a0bff20b7f},
  isbn = {9783486585797},
  price = {EUR 44,80},
  publisher = {Oldenbourg},
  title = {Web 2.0 in der Unternehmenspraxis:  Grundlagen, Fallstudien und Trends zum Einsatz von Social Software},
  url = {http://www.gbv.de/dms/ilmenau/toc/582958423.PDF},
  year = 2008
}

@book{Bender.1999,
  address = {Lohmar},
  author = {Bender, Kai},
  interhash = {2f03ee2ea69bb65366432a3d0a701655},
  intrahash = {63d195e66087bd1d4588ff0cb592a3a8},
  isbn = {3890126774},
  price = {DM 69.00, EUR 35.28, S 517.82, sfr 62.79},
  publisher = {Eul},
  title = {Analysemuster in der Architektur kommerzieller Informationssysteme},
  year = 1999
}