@article{189242,
      url = {http://digitallibrary.un.org/record/189242},
      title = {Information on developments in various railway fields  (AGC) /},
      publisher = {UN,},
      recid = {189242},
      pages = {2 p.},
      address = {Geneva :. 1993-10-29},
      year = {1993},
      month = {Oct},
}