@phdthesis{Lazik1992,
  author    = {Lazik, Dieter},
  title     = {Entwicklung eines neuen Verfahrens zur Extension der Wirbels{\"a}ule},
  pages     = {99 Bl. : Ill. + Thesen (1 Ex.)},
  year      = {1992},
  language  = {de}
}