@book{Hansen.2005,
  address = {Stuttgart},
  author = {Hansen, Hans Robert and Neumann, Gustaf},
  interhash = {a8a71ce7e522123a2ab4f48db76df59d},
  intrahash = {b6d2cdadc95ae26923f18fa8b4d61d31},
  isbn = {3825226697 9783825226695 3828202918 9783828202917 3825226700 9783825226701 382820290X 9783828202900},
  publisher = {Lucius & Lucius},
  refid = {611471738},
  title = {Wirtschaftsinformatik},
  url = {http://www.worldcat.org/search?qt=worldcat_org_all&q=3825226700},
  year = 2005
}

@book{Krallmann.2007,
  author = {Krallmann, Hermann and Schönherr, Marten and Trier, Matthias},
  interhash = {73451d9475478fd6e3427f831196a0ed},
  intrahash = {09d208f4c967c5cac06d91e9b22ed97a},
  note = {ITEG_233 287},
  title = {Systemanalyse im Unternehmen - Prozessorientierte Methoden der Wirtschaftsinformatik},
  year = 2007
}

@book{Alpar.1998,
  address = {Braunschweig},
  author = {Alpar, Paul},
  interhash = {fab3b748a0a42ce5a3abab79d41e49fe},
  intrahash = {dbe3a246b1481d18211e88ce18fa039d},
  isbn = {3528056568},
  price = {ca. DM 49.80},
  publisher = {Vieweg},
  title = {Unternehmensorientierte Wirtschaftsinformatik:  Eine Einführung in die Strategie und Realisierung erfolgreicher IuK-Systeme},
  year = 1998
}

@book{Scheer.1991,
  address = {Berlin},
  author = {Scheer, August-Wilhelm and Kruse, Christian},
  interhash = {85aa53d3fd0e14df164202a0cc51329d},
  intrahash = {84ac10d8adb0388afb65cfa563e2717a},
  isbn = {3540535608},
  publisher = {Springer},
  series = {Wirtschaftsinformatik},
  title = {Wirtschaftsinformatik},
  volume = {Übungsbuch},
  year = 1991
}

@book{Ferstl.1998,
  author = {Ferstl, K. Otto},
  edition = {3., völlig überarb. und erw. Aufl.},
  interhash = {0e0d3bd167b07ff5f447d0b7e7b18cee},
  intrahash = {2cb03188db189d61b298d62df9dc7c84},
  isbn = {3486246232},
  title = {Grundlagen der Wirtschaftsinformatik/1},
  year = 1998
}