TY  - BOOK
ED  - UN. Dept of Economic and Social Affairs
TI  - Variables and questionnaire for comparative fertility surveys
U1  - 312 
PY  - 1970///
CY  - New York
PB  - UN. Dept of Economic and Social Affairs
KW  - Demograohy
KW  - Fertility survey
KW  - Population study
ER  -