00630nam a2200133Ia 4500008004100000040001700041082002200058110007600080245023500156260003500391300001300426440003100439650002600470190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta312.2bU58D  aUnited Nations. Department of International Economic and Social Affairs 0aData bases for mortality measurementbpapers of the meeting of the United Nations/World Health Organization working group on data bases for measurement of levels, trends and differentials in mortality, Bangkok, 20-23 October, 1981  aNew YorkbUnited Nationsc1984  ax, 164p.  aPopulation studies; no. 84  aDemography; Mortality