TY  - CHAP
A1  - Steckel, R.H. 
T1  - The fertility transition in the United States: Tests of alternative hypotheses
Y1  - 1992
A3  - Goldin, C.
A3  - Rockoff, H.
T2  - Strategic factors in nineteenth-century American economic history
CY  - Chicago
PB  - University of Chicago Press
SP  - 351
EP  - -374

ER  -