@book{Wolf2002,
  author    = {Wolf, Martin R.},
  title     = {Entwicklung und Evaluation eines Groupware-Systems zur Unterst{\"u}tzung verfahrenstechnischer Entwicklungsprozesse},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {3-8322-0629-9},
  pages     = {X, 250 S. : graph. Darst.},
  year      = {2002},
  language  = {de}
}
@book{Laack2002,
  author    = {Laack, Walter van},
  title     = {A better history of our world / Vol. 2. Life},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-8311-2597-5},
  pages     = {236 S.},
  year      = {2002},
  language  = {en}
}
@book{Laack2002,
  author    = {Laack, Walter van},
  title     = {Eine bessere Geschichte unserer Welt / Bd. 3. Der Tod},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-8311-3581-3},
  pages     = {248 S.},
  year      = {2002},
  language  = {de}
}
@book{Lohse2002,
  author    = {Lohse, Wolfram},
  title     = {Stahlbau. Bd. 1 : Mit 66 Tafeln und 71 Beispielen. 24., {\"u}berarb. und akt. Aufl.},
  publisher = {Teubner},
  address   = {Stuttgart [u.a.]},
  isbn      = {3-519-25254-6},
  pages     = {348 S. : graph. Darst.},
  year      = {2002},
  language  = {de}
}
@book{Ringbeck2002,
  author    = {Ringbeck, Thorsten},
  title     = {Untersuchung opto-elektrischer Phasenregelkreise auf Basis von Photomischdetektoren hinsichtlich deren Anwendungspotential f{\"u}r die Photonik},
  publisher = {Shaker-Verl.},
  address   = {Aachen},
  isbn      = {3-8265-9789-3},
  pages     = {V, 102 S. : Ill., graph. Darst.},
  year      = {2002},
  language  = {de}
}
@book{Muehl2001,
  author    = {M{\"u}hl, Thomas},
  title     = {Einf{\"u}hrung in die elektrische Messtechnik: mit 8 Tabellen},
  publisher = {Teubner},
  address   = {Stuttgart [u.a.]},
  isbn      = {3-519-06388-3},
  pages     = {276 S. : graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{Knepper2001,
  author    = {Knepper, Ludger},
  title     = {Entwicklung neuer Generalbebauungsplan f{\"u}r ein Industrieunternehmen},
  address   = {FH Aachen},
  year      = {2001},
  language  = {de}
}
@book{Timme2001,
  author    = {Timme, Michael},
  title     = {Die juristische Bew{\"a}ltigung des {\"o}konomischen Netzwerkgutes : Epidemiepr{\"a}vention in Rechtsgeschichte und Gegenwart / Michael Timme},
  publisher = {Nomos-Verl.-Ges.},
  address   = {Baden-Baden},
  isbn      = {3-7890-7055-6},
  pages     = {187},
  year      = {2001},
  language  = {de}
}
@book{JanzEblingGottschalketal.2001,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Peters, Bettina},
  title     = {Innovationsverhalten der deutschen Wirtschaft: Indikatorenbericht zur Innovationserhebung 2001 / Janz, N., G. Ebling, S. Gottschalk, B. Peters und T. Schmidt},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  pages     = {16 S., graph. Darst.},
  year      = {2001},
  language  = {de}
}
@book{JanzEblingGottschalketal.2001,
  author    = {Janz, Norbert and Ebling, G{\"u}nther and Gottschalk, Sandra and Hempell, Thomas},
  title     = {Innovationsverhalten der deutschen Wirtschaft: Indikatorenbericht zur Innovationserhebung 2000 / Janz, N., G. Ebling, S. Gottschalk, T. Hempell, B. Peters, G. Ebling und H. Niggemann},
  publisher = {ZEW Zentrum f{\"u}r Europ{\"a}ische Wirtschaftsforschung},
  address   = {Mannheim},
  pages     = {12 S., graph. Darst},
  year      = {2001},
  language  = {de}
}