312
U58G
               The Sex and age distribution of population the 1990 revision of the United Nations global population estimates and projections - New York : United Nations, 1991.
               viii, 391p. - Population studies; no. 122 .
                ST/ESA/SER.A/122

                ISBN: 92-1-151220-4

C1369
                Subjects: Demographic surveys; Population; Fertility, Human.