TY  - BOOK
ED  - National Fertility Survey (Belgium)
TI  - Results:  From incidental to planned parenthood by   
T2  - Netherlands Interuniversity. Demographic Institute and Population and Family Study Centre.2
U1  - Y:5231.5961.N71t4, L6 
PY  - 1976///
CY  - Leiden
PB  - Martinus Nijhoff Social Science Division      
KW  - Fertility
N1  - Bibliography: p 142-45
ER  -