@article{KnorrEichinger2002,
  author    = {Knorr, Andreas and Eichinger, Andreas},
  title     = {Die Bahnreform in Großbritannien - eine kritische W{\"u}rdigung},
  series = {List-Forum},
  volume    = {28},
  journal   = {List-Forum},
  publisher = {List-Gesellschaft},
  address   = {D{\"u}sseldorf},
  organization    = {List Gesellschaft e.V.},
  pages     = {370 -- 390},
  year      = {2002},
  abstract  = {.},
  language  = {de}
}
@article{KnorrEichinger2004,
  author    = {Knorr, Andreas and Eichinger, Andreas},
  title     = {Congestion Charging - das Beispiel Londons},
  series = {Internationales Verkehrswesen},
  volume    = {56},
  journal   = {Internationales Verkehrswesen},
  publisher = {Trialog Publishers Verlagsgesellschaft},
  address   = {Baiersbronn},
  pages     = {366 -- 371},
  year      = {2004},
  abstract  = {.},
  language  = {de}
}