@techreport{WilkeBoehlerBongardtetal.2007, author = {Wilke, Georg and B{\"o}hler, Susanne and Bongardt, Daniel and Sch{\"a}fer-Sparenberg, Carolin}, title = {Zukunft des Car-Sharing in Deutschland : Schlussbericht. Anhang: Anbieterbefragung}, institution = {Wuppertal Institut f{\"u}r Klima, Umwelt, Energie}, address = {Wuppertal}, year = {2007}, language = {de} }