http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
the United Nations software package for mortality measurement : interactive software for the IBM-PC and compatibles
United Nations software package for mortality measurement
At head of title: Dept. of International Economic and Social Affairs.
"United Nations Publication: Sales Number E.88.XIII.2"--Title page verso.
Population studies (New York, N.Y.) ; no. 104