@article{SiepmannPfeifferTeichmann1988,
  author    = {Siepmann, Thomas and Pfeiffer, J. and Teichmann, W.},
  title     = {Expertensystem zur spanenden Bearbeitung},
  series = {Technische Mitteilungen Krupp (1988)},
  journal   = {Technische Mitteilungen Krupp (1988)},
  address   = {Essen},
  year      = {1988},
  language  = {de}
}