@misc{KnorrEisenkopf2013,
  author    = {Andreas Knorr and Alexander Eisenkopf},
  title     = {Why have most road infrastructure PPP projects failed in Germany?},
  institution = {Lehrstuhl f{\"u}r Volkswirtschaftslehre, insbesondere Wirtschafts- und Verkehrspolitik (Univ.-Prof. Dr. Dr. h.c. Andreas Knorr)},
  type      = {publiclecture},
  year        = {2013},
}