@article{446476,
      url = {http://digitallibrary.un.org/record/446476},
      title = {Policy-sensitive model for predicting international  freight flows (trade)},
      publisher = {UN,},
      recid = {446476},
      pages = {vii, 57 p. :},
      address = {New York :. 2001},
      year = {2001},
}