@book{Laack2011,
  author    = {Laack, Walter van},
  title     = {Wer stirbt, ist nicht tot! 2. Aufl.},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-936624-13-7},
  pages     = {272 S.},
  year      = {2011},
  language  = {de}
}
@book{Laack1999,
  author    = {Laack, Walter van},
  title     = {Der Schl{\"u}ssel zur Ewigkeit},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-9805239-4-3},
  pages     = {285 S.},
  year      = {1999},
  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}
}
@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{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{Grotendorst1999,
  author    = {Grotendorst, Johannes},
  title     = {Gekoppelte SMP-Systeme im wissenschaftlich-technischen Hochleistungsrechnen - Status und Entwicklungsbedarf : Analyse im Auftrag des BMBF / Federf{\"u}hrung: Zentralinstitut f{\"u}r Angewandte Mathematik, Forschungszentrum J{\"u}lich GmbH ... Ansprechpartner: F. Hoßfeld},
  publisher = {Zentralinstitut f{\"u}r Angewandte Mathematik},
  address   = {J{\"u}lich},
  pages     = {110 S.},
  year      = {1999},
  language  = {de}
}
@book{Grotendorst1998,
  author    = {Grotendorst, Johannes},
  title     = {H{\"o}chstleistungsrechnen in der Chemie / Esser, R{\"u}diger ; Grotendorst, Johannes ; Lewerenz, Marius [Eds.]},
  year      = {1998},
  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{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}
}