TY  - CHAP
A1  - David, P.
A1  - Sanderson, W. 
T1  - Rudimentary contraceptive methods and the American transition to marital fertility control, 1855-1915
Y1  - 1992
A3  - Engerman, S.L.
A3  - Gallman, R.E.
T2  - Long Term Factors in American Economic Growth
CY  - Chicago
PB  - University of Chicago Press
SP  - 307
EP  - -379

ER  -