00790nam a2200145Ia 4500008004100000040001700041082002500058110009700083245030800180260003500488300001500523440003100538500003100569650004400600190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta304.6302bU58I  aUnited Nations. Department of International Economic and Social Affairs. Population Division 0aIndirect techniques for demographic estimationba collaboration of the Population Division of the Department of International Economic and Social Affairs of the United Nations secretariat the Committee on population and demography of the National Research Council, United States National Academy of Scie  aNew YorkbUnited Nationsc1983  axxv, 304p.  aPopulation studies; no. 81  aST/ESA/SER.A/81, Mannual X  aDemography; Mortality; Fertility, Human