@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{Schelthoff1997,
  author    = {Schelthoff, Christof},
  title     = {Modellierung der SOFC-Brennstoffzelle und die numerische L{\"o}sung mit einem adaptiven Full-Multigrid-Verfahren},
  publisher = {Forschungszentrum J{\"u}lich, Zentralbibliothek},
  address   = {J{\"u}lich},
  pages     = {VI, 100 S. : graph. Darst.},
  year      = {1997},
  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{Reissel1992,
  author    = {Reißel, Martin},
  title     = {Theorie und Numerik eines Wirbelstromproblems},
  pages     = {69 S. : graph. Darst.},
  year      = {1992},
  language  = {de}
}
@book{Pawelke1969,
  author    = {Pawelke, Siegfried},
  title     = {Saturation und Approximation bei Reihen mehrdimensionaler Kugelfunktionen},
  publisher = {Techn. Hochsch.},
  address   = {Aachen},
  pages     = {97 S.},
  year      = {1969},
  language  = {de}
}
@book{Molinnus2018,
  author    = {Molinnus, Denise},
  title     = {Integration of biomolecular logic principles with electronic transducers on a chip},
  publisher = {Philipps-Universit{\"a}t / Fachbereich Pharmazie},
  address   = {Marburg/Lahn},
  year      = {2018},
  language  = {de}
}
@book{Laack1982,
  author    = {Laack, Walter van},
  title     = {Experimentelle Untersuchungen {\"u}ber die Wirksamkeit von Schienbeinschonern im Fußballsport},
  address   = {Aachen},
  pages     = {187 S. : Ill.; graph. Darst.},
  year      = {1982},
  language  = {de}
}
@book{Laack2000,
  author    = {Laack, Walter van},
  title     = {Eine bessere Geschichte unserer Welt / Bd. 1. Das Universum},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-8311-0345-4},
  pages     = {196 S.},
  year      = {2000},
  language  = {de}
}
@book{Laack2001,
  author    = {Laack, Walter van},
  title     = {Eine bessere Geschichte unserer Welt / Bd. 2. Das Leben},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-8311-2114-4},
  pages     = {248 S.},
  year      = {2001},
  language  = {de}
}
@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{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{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{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{Laack2000,
  author    = {Laack, Walter van},
  title     = {Pl{\"a}doyer f{\"u}r ein Leben nach dem Tod und eine etwas andere Sicht der Welt},
  edition   = {2., komplett {\"u}berarb. Aufl.},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-89811-818-7},
  pages     = {447 S. : graph. Darst.},
  year      = {2000},
  language  = {de}
}
@book{Laack2012,
  author    = {Laack, Walter van},
  title     = {Schnittstelle Tod: Warum auf ein Danach vertrauen?},
  publisher = {Books on Demand},
  address   = {Norderstedt},
  isbn      = {978-3-936624-14-4},
  pages     = {120 S. : Ill.,graph. Darst.},
  year      = {2012},
  language  = {de}
}
@book{Laack2014,
  author    = {Laack, Walter van},
  title     = {Schnittstelle Tod: Was spricht f{\"u}r unser Weiterleben?},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-936624-19-9},
  pages     = {100 S.},
  year      = {2014},
  language  = {de}
}
@book{Laack2015,
  author    = {Laack, Walter van},
  title     = {Unser Schl{\"u}ssel zur Ewigkeit},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-936624-16-8},
  pages     = {316 S.},
  year      = {2015},
  language  = {de}
}
@book{Laack2018,
  author    = {Laack, Walter van},
  title     = {Sterben und Tod aus wissenschaftlicher Sicht - dying and death from a scientific point of view},
  publisher = {van Laack GmbH},
  address   = {Aachen},
  isbn      = {978-3-936624-41-0},
  pages     = {44 Seiten},
  year      = {2018},
  language  = {de}
}