00576nam a2200121Ia 4500008004100000040001700041082002300058110006700081245015200148260005900300300001000359650008500369190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta301.32bO68P  aOrganisation for Economic Co-operation and Development (Paris) 0aPopulation international assistance and researchbproceedings of the first population conference of the development (Paris, 3rd-5th December, 1968)  aParisbOrganisation for Economic and Developmentc1969  a231p.  aPopulation; Population policy; Birth control; Human ecology; Population research