@article{Laabs1996,
  author    = {Laabs, Hans-Joachim},
  title     = {Erlebnisfeld Technik : die Baustellenwarnanlage},
  year      = {1996},
  language  = {de}
}
@article{Laabs1996,
  author    = {Laabs, Hans-Joachim},
  title     = {Computer - ein Blick hinter die Kulissen : der Drucker},
  year      = {1996},
  language  = {de}
}
@article{Laabs1996,
  author    = {Laabs, Hans-Joachim},
  title     = {Computer - ein Blick hinter die Kulissen : der Bildschirm (Monitor)},
  year      = {1996},
  language  = {de}
}
@book{LaabsKiefer1996,
  author    = {Laabs, Hans-Joachim and Kiefer, J{\"o}rn},
  title     = {Messen, Steuern, Regeln mit dem PC},
  publisher = {Handwerk und Technik},
  address   = {Hamburg},
  pages     = {80 S.},
  year      = {1996},
  language  = {de}
}