@article{101825,
      url = {http://digitallibrary.un.org/record/101825},
      title = {Concept of transport chains /},
      publisher = {UN,},
      recid = {101825},
      pages = {4 p.},
      address = {Geneva :. 1990-07-02},
      year = {1990},
      month = {Jul},
}