@book{CzechZoellnerSachsetal.1993,
  author    = {Czech, Olaf and Z{\"o}llner, Hermann and Sachs, Burkhard and Ziefuss, Horst and Laabs, Hans-Joachim},
  title     = {Lehrerbildung im Lernfeld Arbeitslehre},
  editor    = {Meier, Bernd},
  publisher = {AOL-Verl.},
  address   = {Hamburg},
  isbn      = {3-89342-005-3},
  pages     = {106 S.},
  year      = {1993},
  language  = {de}
}
@book{Laabs1994,
  author    = {Laabs, Hans-Joachim},
  title     = {Einf{\"u}hrung in die Informationstechnik : Lernunterlage},
  publisher = {Landesamt f{\"u}r Datenverarbeitung und Statistik},
  address   = {Teltow},
  pages     = {88 S.},
  year      = {1994},
  language  = {de}
}
@article{Laabs1994,
  author    = {Laabs, Hans-Joachim},
  title     = {Alternativer Stromlieferant im funktionst{\"u}chtigen Modell, Teil 1},
  year      = {1994},
  language  = {de}
}
@article{Laabs1996,
  author    = {Laabs, Hans-Joachim},
  title     = {Computer - ein Blick hinter die Kulissen : der Bildschirm (Monitor)},
  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     = {Erlebnisfeld Technik : die Baustellenwarnanlage},
  year      = {1996},
  language  = {de}
}
@article{Laabs1996,
  author    = {Laabs, Hans-Joachim},
  title     = {Musikgenerator f{\"u}r Spiel und Freizeit},
  year      = {1996},
  language  = {de}
}
@article{Laabs1996,
  author    = {Laabs, Hans-Joachim},
  title     = {Rechnergest{\"u}tzte Ermittlung des k-Wertes am Modell des Energiesparhauses, Teil 1},
  year      = {1996},
  language  = {de}
}
@article{Laabs1995,
  author    = {Laabs, Hans-Joachim},
  title     = {Alternativer Stromlieferant im funktionst{\"u}chtigen Modell, Teil 2},
  year      = {1995},
  language  = {de}
}
@article{Laabs1995,
  author    = {Laabs, Hans-Joachim},
  title     = {Computer - ein Blick hinter die Kulissen : Speichermedien, Teil 2},
  year      = {1995},
  language  = {de}
}