TY  - CHAP
A1  - Becker, G.S.
T1  - An economic analysis of fertility
Y1  - 1960
A3  - National Bureau of Economic Research
T2  - Demographic and Economic Change in Developed Countries
CY  - Princeton
PB  - Princeton University Press
SP  - 209
EP  - -231
T3  - NBER Conference Series vol 11

ER  -