TY - BOOK AU - UNITED NATIONS, ECONOMIC AND SOCIAL COUNCIL . ED - UNITED NATIONS, ECONOMIC AND SOCIAL COUNCIL . TI - Population commission : Report of the 4th session . U1 - VIN45,936:8.N49, H9,7 PY - 1949/// CY - New York PB - United Nations N1 - Official records : 4th year, 9th session supplement .7 ER -