TY - BOOK AU - "United Nations, Social Affairs (Deptt of-)" ED - "United Nations, Social Affairs (Deptt of-)" TI - Methods of using census statistics T2 - "Its, Population Studies. 7. Its, Reports on Methods of Population Statistics, 7" U1 - "Y:5:(B28)::7918.N4, H9/UN" PY - 1949/// CY - New PB - York United Nations USA KW - Family Planning ER -