@article{150893,
      url = {http://digitallibrary.un.org/record/150893},
      title = {Study of the situation of the railways in the member  countries /},
      publisher = {UN,},
      recid = {150893},
      pages = {23 p. :},
      address = {Geneva :. 1992-07-28},
      year = {1992},
      month = {Jul},
}