@article{189249,
      url = {http://digitallibrary.un.org/record/189249},
      title = {Information on developments in various railway fields /},
      publisher = {UN,},
      recid = {189249},
      pages = {4 p. :},
      address = {Geneva :. 1993-11-23},
      year = {1993},
      month = {Nov},
}