@article{46742,
      url = {http://digitallibrary.un.org/record/46742},
      title = {Physical nature and technical attributes of the  geostationary orbit : study /},
      publisher = {UN,},
      recid = {46742},
      pages = {9, 12 p. :},
      address = {New York :. 1983-05-18},
      year = {1983},
      month = {May},
}