@article{39402,
      url = {http://digitallibrary.un.org/record/39402},
      title = {Changing patterns of trade in world industry : an  empirical study on revealed comparative advantage.},
      publisher = {UN,},
      recid = {39402},
      pages = {viii, 203 p. :},
      address = {New York :. 1982},
      year = {1982},
}