00526nam a2200145Ia 4500082001900000100004800019240006300067245016300130260003500293300000600328440003000334500000500364653000600369700000500375  a304.6bC748.PD  aConference on "Population", Bucharest, 1974  aUnited Nations. Department of Economics and Social Affairs  aThe population debate; dimensions and perspectives; papers of the World population conferencebcBy United Nations. Department of Economics and Social Affairs  aNew YorkbUnited Nationsc1975  a   aPopulation studiesvno.57  a  a   a