@book{Kemper.2003,
  address = {Lohmar},
  author = {Kemper, Hans-Georg and Mülder, Wilhelm and Seibt, Dietrich},
  edition = {1. Aufl.},
  interhash = {5abc58e9249d738e18a34190eff3ce4b},
  intrahash = {6c2cb21ccb3c9d902b9c3c4716ea650b},
  isbn = {3899361059},
  privnote = {No. 145},
  publisher = {Eul},
  title = {Informationsmanagement:  Neue Herausforderungen in Zeiten des E-Business ; Festschrift für Prof. Dr. Dietrich Seibt anlässlich seines 65. Geburtstages},
  url = {http://www.sub.uni-hamburg.de/ebook/ebook.php?act=b&cid=4373},
  year = 2003
}

@book{Nathusius.2001,
  address = {Lohmar},
  author = {Nathusius, Klaus and Klandt, Heinz and Seibt, Dietrich and Szyperski, Norbert},
  interhash = {66e45c5beae83bc866b3dd741caad9cf},
  intrahash = {4c304169028935844e58c609c324afe9},
  isbn = {3890128947},
  price = {DM 98.00, EUR 51.00 (ab 1.1.2002)},
  privnote = {Nr.38},
  publisher = {Eul},
  title = {Beitr\"age zur Unternehmungsgr\"undung:  Gewidmet Prof. Dr. Dr. h. c. Norbert Szyperski anl\"a{\ss}lich seines 70. Geburtstages},
  year = 2001
}

@book{Curth.1989,
  address = {Bergisch Gladbach},
  author = {Curth, Michael and Seibt, Dietrich},
  interhash = {a32184e1f4381c11f686437dcf50ce23},
  intrahash = {548076b3063275286fd6eda35649a5ed},
  isbn = {3890121772},
  privnote = {No. 49},
  publisher = {Eul},
  series = {Reihe},
  title = {Planspieltechnik und Computer Based Training zur Schulung von Einkäufern im Handel},
  volume = 31,
  year = 1989
}