@article{242161,
      url = {http://digitallibrary.un.org/record/242161},
      title = {Computerized control of urban traffic /},
      publisher = {UN,},
      recid = {242161},
      pages = {2 p.},
      address = {Geneva :. 1987-11-24},
      year = {1987},
      month = {Nov},
}