TY  - CHAP
A1  - David, P.A.
A1  - Sanderson, W.C.
T1  - Rudimentary contraceptive methods and the American transition to marital fertility control, 1855–1915
Y1  - 1986
A3  - Engerman, S.L.
A3  - Gallman, R.E.
T2  - Long-Term Factors in American Economic Growth
CY  - Chicago
PB  - The University of Chicago Press

ER  -