TY  - JOUR
A1  - Coale, A.J.
T1  - Age of entry into marriage and the date of the initiation of voluntary birth control
Y1  - 1992
DO  - 10.2307/2061821
JF  - Demography
VL  - 29
IS  - 3
SP  - 333
EP  - -341

ER  -