01082nam0-22003731i-450-99000547539020331620010829120000.0000547539USA01000547539(ALEPH)000547539USA0100054753920010829d1978-------|0frac50------bafreFR|||| |||||Changing approaches to population problems /by Margaret WolfsonParisOcde1978193 p.24 cm.PopolazioneFIParis304.6Popolazione Demografia Geografia umana21WOLFSON,Margaret485425OCDE-OECDITSOL20120104990005475390203316DIP.TO SCIENZE ECONOMICHE - (SA)DS 300 304.6 WOLST1369 DISES300 304.6 WOL369 DISESBKDISES20121027USA01153220121027USA011613Changing approaches to population problems1128587UNISAUSA7855