@article{101827,
      note = {Concerns a study undertaken by the Transport Study Centre  for the Western Mediterranean concerning transport chains  in the southern Europe-Maghreb corridor.},
      url = {http://digitallibrary.un.org/record/101827},
      title = {Concept of transport chains /},
      publisher = {UN,},
      recid = {101827},
      pages = {9 p.},
      address = {Geneva :. 1990-07-20},
      year = {1990},
      month = {Jul},
}