@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{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{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{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{DigelZhubanovaAkimbekov2012,
  author    = {Digel, Ilya and Zhubanova, Azhar Ahmetovna and Akimbekov, Nuraly S.},
  title     = {Visual Virology},
  address   = {Almaty},
  isbn      = {978-601-247-298-1},
  pages     = {144 S. : zahlr. Ill.},
  year      = {2012},
  language  = {en}
}
@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{GrotendorstDornseifferSchoberth1994,
  author    = {Grotendorst, Johannes and Dornseiffer, J{\"u}rgen and Schoberth, Siegfried M.},
  title     = {Symbolic-numeric computation techniques for problem-solving in Physical Chemistry and Biochemistry . Stand 08.06.1994 / Grotendorst, Johannes ; Dornseiffer, J{\"u}rgen ; Schoberth, Siegfried M.},
  publisher = {ZAM, KFA},
  address   = {J{\"u}lich},
  pages     = {9 S.},
  year      = {1994},
  language  = {en}
}
@book{GrotendorstDornseifferSchoberth1994,
  author    = {Grotendorst, Johannes and Dornseiffer, J{\"u}rgen and Schoberth, Siegfried M.},
  title     = {Symbolic-numeric computation techniques for problem-solving in Physical Chemistry and Biochemistry . Stand 08.06.1994 / Grotendorst, Johannes ; Dornseiffer, J{\"u}rgen ; Schoberth, Siegfried M.},
  publisher = {ZAM, KFA},
  address   = {J{\"u}lich},
  pages     = {9 S.},
  year      = {1994},
  language  = {en}
}