@techreport{KnorrEisenkopf2008,
  type      = {Working Paper},
  author    = {Andreas Knorr and Alexander Eisenkopf},
  title     = {Road Infrastructure PPPs in Germany: Why Did the F-Modell Fail? Two Case Studies},
  institution = {Deutsches Forschungsinstitut f{\"u}r {\"o}ffentliche Verwaltung},
  address   = {Speyer},
  url       = {https://nbn-resolving.org/urn:nbn:de:101:1-2009022045},
  pages     = {28},
  year      = {2008},
  abstract  = {\_},
  language  = {en}
}