TY  - BOOK
AU  - Bogue Donald J
AU  -  Nelson James
TI  - Fertility components and contraceptive history techniques for measuring contraceptive use-effectiveness
T2  - Family Planning/ Research Evolution and Manual.5. Community and Family Study Center, University of Chicago. Rapif Feedback for Family Planning: Improvement
U1  - Y:5:5(Y).73.N7, L1 
PY  - 1971///
CY  - Chicago
PB  - CFSE          
KW  - Demography
ER  -