000 00669nam a2200181Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
020 _a92-1-151220-4
040 _aNITIL
_cNITIL
082 _221st
_a312
_bU58G
110 _aUnited Nations. Department of International Economic and Social Affairs
245 4 _aThe Sex and age distribution of population
_bthe 1990 revision of the United Nations global population estimates and projections
260 _aNew York
_bUnited Nations
_c1991
300 _aviii, 391p.
440 _aPopulation studies; no. 122
500 _aST/ESA/SER.A/122
650 _aDemographic surveys; Population; Fertility, Human
942 _cBKS
999 _c10291
_d10291