@article{BaatzButz1972,
  author    = {Baatz, Udo and Butz, Hans-Werner},
  title     = {Rechnerunterstuetztes Konstruieren mit Symbolen},
  series = {TZ f{\"u}r praktische Metallbearbeitung},
  volume    = {66},
  journal   = {TZ f{\"u}r praktische Metallbearbeitung},
  number    = {9},
  publisher = {Grossmann},
  address   = {Stuttgart},
  isbn      = {0177-8900},
  pages     = {366 -- 370},
  year      = {1972},
  language  = {de}
}