@article{106679,
      note = {Includes bibliographical references.},
      url = {http://digitallibrary.un.org/record/106679},
      title = {MortPak and MortPak-Lite upgrade : Versian 3.0 of the  United Nations software packages for mortality  measurement.},
      publisher = {UN,},
      recid = {106679},
      pages = {iv, 78 p. :},
      address = {New York :. 1990},
      year = {1990},
}