TY  - BOOK
AU  - Westoff, C.F
AU  - Potter,R.G
AU  - Sagi,C.P
TI  - The third Child: A study in the Prediction of Fertility
U1  - 304.6 
PY  - 1963///
CY  - New Jersey
PB  - Princeton University Press
KW  - Factors affecting social behavior
ER  -