@article{455833,
      url = {http://digitallibrary.un.org/record/455833},
      title = {Studies on transport economics and track costs undertaken  by other organizations /},
      publisher = {UN,},
      recid = {455833},
      pages = {12 p.},
      address = {Geneva :. 2001-12-18},
      year = {2001},
      month = {Dec},
}