@article{766322,
      url = {http://digitallibrary.un.org/record/766322},
      title = {Studies in long-term economic projections for the world  economy : aggregative models},
      publisher = {UN,},
      recid = {766322},
      pages = {vii, 90 p. },
      address = {New York :. 1964},
      year = {1964},
}