@article{BauerMeier2019,
  author    = {Hartmut Bauer and Michael Meier},
  title     = {Green Light for PPP on German Motorways?},
  journal   = {Frontiers of law in China},
  volume    = {14},
  number    = {3},
  pages     = {311 -- 334},
  doi       = {10.3868/s050-008-019-0016-2},
  year      = {2019},
}