@article{GebhardtMatharPlum1994,
  author    = {Gebhardt, Andreas and Mathar, W. and Plum, H.-D.},
  title     = {SFM-System Stereolithographie und selektives Lasersintern im Vergleich},
  pages     = {85 -- 95},
  year      = {1994},
  language  = {de}
}
@article{GebhardtMathar1994,
  author    = {Gebhardt, Andreas and Mathar, W.},
  title     = {Auftragsabwicklung und branchenspezifische Anforderungen an SFM-Modelle -am Beispiel medizinischer Modelle},
  pages     = {188 -- 191},
  year      = {1994},
  language  = {de}
}
@article{GartzenGebhardtAngeretal.1994,
  author    = {Gartzen, Johannes and Gebhardt, Andreas and Anger, A. and Petschke, U. and Lingens, Hans},
  title     = {Laserstrahlschweißen mit Schweißdraht von W{\"a}rmetauschern mit hohem Wirkungsgrad},
  series = {Proceedings : Aachen, Germany, 31st October - 4th November, 1994 / 27th ISATA},
  journal   = {Proceedings : Aachen, Germany, 31st October - 4th November, 1994 / 27th ISATA},
  publisher = {Automotive Automation},
  address   = {Croydon},
  isbn      = {0-947719-64-4},
  pages     = {397 -- 403},
  year      = {1994},
  language  = {de}
}