@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{Grotendorst2003,
  author    = {Grotendorst, Johannes},
  title     = {ComputerMathematik mit Maple},
  publisher = {Forschungszentrum J{\"u}lich},
  address   = {J{\"u}lich},
  isbn      = {3-89336-325-4},
  pages     = {VI, 274 S. : Ill., graph. Darst.},
  year      = {2003},
  language  = {de}
}
@book{Grotendorst2003,
  author    = {Grotendorst, Johannes},
  title     = {ComputerMathematik mit Maple / 2. Aufl.},
  publisher = {Forschungszentrum J{\"u}lich},
  address   = {J{\"u}lich},
  isbn      = {3-89336-354-8},
  pages     = {VI, 293 S. : graph. Darst. + 1 CD-ROM},
  year      = {2003},
  language  = {de}
}
@book{Laack2005,
  author    = {Laack, Walter van},
  title     = {Mit Logik die Welt begreifen},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-936624-07-6},
  pages     = {380 S. : Ill., graph. Darst.},
  year      = {2005},
  language  = {de}
}
@book{Schelthoff2006,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im Bachelor- und Diplomstudium f{\"u}r Bio- und Chemieingenieure},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-5309-7},
  pages     = {458 S. : Ill., graph. Darst.},
  year      = {2006},
  language  = {de}
}
@book{Schelthoff2007,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im Bachelorstudium f{\"u}r Studierende der Biotechnologie, der Prozesstechnik und der angewandten Chemie. 2. {\"u}berarb. Aufl.},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-6507-6},
  pages     = {478 S.},
  year      = {2007},
  language  = {de}
}
@book{Kraft2007,
  author    = {Kraft, Bodo},
  title     = {Semantische Unterst{\"u}tzung des konzeptuellen Geb{\"a}udeentwurfs},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-6045-3},
  pages     = {VIII, 381 S. : Ill., graph. Darst.},
  year      = {2007},
  language  = {de}
}
@book{Schelthoff2010,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im ingenieurwissenschaftlichen Bachelorstudium / 4., {\"u}berarb. Aufl.},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-9288-1},
  pages     = {542 S. : graph. Darst.},
  year      = {2010},
  language  = {de}
}
@book{Schelthoff2010,
  author    = {Schelthoff, Christof},
  title     = {Mathematik im ingenieurwissenschaftlichen Bachelorstudium : L{\"o}sung der {\"U}bungs- und Klausuraufgaben},
  publisher = {Shaker},
  address   = {Aachen},
  isbn      = {978-3-8322-9502-8},
  pages     = {171 S. : Ill., graph. Darst.},
  year      = {2010},
  language  = {de}
}
@book{Laack2010,
  author    = {Laack, Walter van},
  title     = {Schnittstelle Tod: Aufbruch zu neuem Leben?},
  publisher = {Books on Demand},
  address   = {Norderstedt},
  isbn      = {978-3-936624-10-6},
  pages     = {144 S. : Ill., graph. Darst.},
  year      = {2010},
  language  = {de}
}