TY  - GEN
AU  - Westoff, Charles F.
AU  - Potter, Robert G.
AU  - Sagi, Philip C.
TI  - Third child: a study in the prediction of fertility
U1  - 301.32 
PY  - 1963///
CY  - Princeton, New Jersey
PB  - Princeton University Press
KW  - Fertility
KW  -   Human
KW  - Family size
ER  -