@techreport{KoehnWilkeHuesingetal.1999,
  author    = {K{\"o}hn, Ady and Wilke, Georg and H{\"u}sing, J. Martin and Diaz-Bone, Harald},
  title     = {CombiCar : ein innovatives Konzept f{\"u}r die Kooperation von Car-Sharing und {\"O}PNV ; Machbarkeitsstudie},
  institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie},
  address   = {Wuppertal},
  year      = {1999},
  language  = {de}
}