@article{Natrop1987,
  author    = {Johannes Natrop},
  title     = {{\"O}ffentliche Ausgaben f{\"u}r den Verkehr 1984},
  series   = {Wirtschaft und Statistik},
  number    = {1},
  publisher = {W. Kohlhammer},
  address   = {Stuttgart},
  issn      = {0043-6143},
  pages     = {82 -- 91},
  year      = {1987},
  language  = {de}
}