@article{101592,
      url = {http://digitallibrary.un.org/record/101592},
      title = {Concept of transport chains /},
      publisher = {UN,},
      recid = {101592},
      pages = {2 p.},
      address = {Geneva :. 1990-06-29},
      year = {1990},
      month = {Jun},
}