@book{PolumskyKampermann1979,
  author    = {Polumsky, Dieter and Kampermann, L.},
  title     = {Begriffe und Symbole : Erl{\"a}uterungen zur Fachsprache der Verkehrsplaner / D. Polumsky ; L. Kampermann},
  publisher = {Selbstverl. am Inst. f{\"u}r Stadtbauwesen, RWTH},
  address   = {Aachen},
  isbn      = {3-88354-074-9},
  pages     = {83 S.},
  year      = {1979},
  language  = {de}
}
@article{Polumsky1979,
  author    = {Polumsky, Dieter},
  title     = {DIVA - Datenbankorientierter - Interaktiver - Verkehrs-Algorithmus / M{\"a}cke, Paul A. [Hrsg.]},
  publisher = {Inst.},
  address   = {Aachen},
  isbn      = {3-88354-076-5},
  pages     = {77 -- 95},
  year      = {1979},
  language  = {de}
}