TY  - CHAP
A1  - Becker, G.
T1  - An economic analysis of fertility
Y1  - 1960
A3  - Becker, G.S.
A3  - Duesenberry, J.
A3  - Okun, B.
T2  - Demographic and economic change in developed countries
CY  - Princeton
PB  - Princeton University Press
T3  - NBER conference series 11

ER  -