@article{144989,
      url = {http://digitallibrary.un.org/record/144989},
      title = {Network of important international combined transport  lines /},
      publisher = {UN,},
      recid = {144989},
      pages = {3 p.},
      address = {Geneva :. 1987-07-30},
      year = {1987},
      month = {Jul},
}