@inproceedings{KnorrEisenkopf2018,
  author    = {Andreas Knorr and Alexander Eisenkopf},
  title     = {Road Infrastructure PPPs in Germany: Why did the F-Modell fail? Two Case Studies},
  series = {Transportation and Geography},
  organization    = {Hong Kong Society for Transportation Studies},
  pages     = {739 -- 748},
  year      = {2018},
  abstract  = {.},
  language  = {en}
}