TY  - RPRT
A1  - Ross, S.G.
T1  - The timing and spacing of births and women’s labor force participation: An economic analysis
Y1  - 1974
UR  - http://www.nber.org/papers/w0030
PB  - National Bureau of Economic Research
CY  - Cambridge, MA
IS  - (NBER Working Paper No. 30)

ER  -