@article{189241,
      url = {http://digitallibrary.un.org/record/189241},
      title = {Information on developments in various railway fields  (AGC) /},
      publisher = {UN,},
      recid = {189241},
      pages = {2 p.},
      address = {Geneva :. 1993-10-18},
      year = {1993},
      month = {Oct},
}