@article{171506,
      url = {http://digitallibrary.un.org/record/171506},
      title = {National accounts statistics : main aggregates and  detailed tables. 1991. Part 1.},
      publisher = {UN,},
      recid = {171506},
      pages = {xxix, 1120 p. :},
      address = {New York :. 1993},
      year = {1993},
}