@article{LaabsSeverin1994,
  author    = {Laabs, Hans-Joachim and Severin, Wolfgang},
  title     = {Hinweise zum Herstellen einer Leiterplatte},
  year      = {1994},
  language  = {de}
}
@article{LaabsSeverin1994,
  author    = {Laabs, Hans-Joachim and Severin, Wolfgang},
  title     = {Computer - ein Blick hinter die Kulissen : der Joystick, Teil 3},
  year      = {1994},
  language  = {de}
}
@article{LaabsSeverin1994,
  author    = {Laabs, Hans-Joachim and Severin, Wolfgang},
  title     = {Computer - ein Blick hinter die Kulissen : der Joystick, Teil 2},
  year      = {1994},
  language  = {de}
}