@article{FrankBuchwaldPennekampetal.2009,
  author    = {Frank, T. and Buchwald, D. and Pennekamp, W. and Reber, D. and Sponagel, Stefan and Laszkovics, A. and Weber, Hans-Joachim},
  title     = {R{\"o}ntgenologische Untersuchung der Str{\"o}mungseigenschaften funktioneller Komponenten der Herz-Lungen-Maschine},
  series = {Kardiotechnik. 18 (2009), H. 2},
  journal   = {Kardiotechnik. 18 (2009), H. 2},
  isbn      = {0941-2670},
  pages     = {31 -- 35},
  year      = {2009},
  language  = {de}
}
@article{WeberHekmatZimmermannetal.2004,
  author    = {Weber, Hans-Joachim and Hekmat, K. and Zimmermann, T. and Kampe, S.},
  title     = {Impact of tranexamic acid vs. aprotinin on blood loss and transfusion requirements after cardiopulmonary bypass: a prospective, randomised, double-blind trial / Hekmat, K. ; Zimmermann, T. ; Kampe, S. ; Kasper, S. M. ; Weber, H. J. ; Geissler, H. J. ; Meh},
  series = {Current Medical Research and Opinion. 20 (2004), H. 1},
  journal   = {Current Medical Research and Opinion. 20 (2004), H. 1},
  isbn      = {0300-7995},
  pages     = {121 -- 126},
  year      = {2004},
  language  = {en}
}
@book{Laack2007,
  author    = {Laack, Walter van},
  title     = {To perceive the world with logic},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-936624-08-3},
  pages     = {340 S. : Ill., graph. Darst},
  year      = {2007},
  language  = {en}
}
@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{Laack2000,
  author    = {Laack, Walter van},
  title     = {Nobody ever dies! / 1. ed.},
  publisher = {van Laack},
  address   = {Aachen},
  isbn      = {978-3-936624-03-8},
  pages     = {272 S.},
  year      = {2000},
  language  = {en}
}
@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{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{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}
}
@article{LaackCasser1989,
  author    = {Laack, Walter van and Casser, H. R.},
  title     = {Cortisonbedingte Ablederung der H{\"u}ftkopfkappe / Laack, W. van ; Casser, H. R.},
  series = {Neuere Ergebnisse in der Osteologie : Skelettwachstum, Endoprothetik, Glukokortikoide ; [15. - 18. Februar 1989 in G{\"o}ttingen] / H.-G. Willert ; F. H. W. Heuck (Hrsg.)},
  journal   = {Neuere Ergebnisse in der Osteologie : Skelettwachstum, Endoprothetik, Glukokortikoide ; [15. - 18. Februar 1989 in G{\"o}ttingen] / H.-G. Willert ; F. H. W. Heuck (Hrsg.)},
  publisher = {Springer},
  address   = {Berlin},
  isbn      = {3-540-51175-X},
  pages     = {566 -- 568},
  year      = {1989},
  language  = {de}
}