TY  - JOUR
A1  - Sullivan, R.
T1  - The Age Pattern of First-Birth Rates Among U.S. Women: The Bimodal 1990s
Y1  - 2005
DO  - 10.1353/dem.2005.0018
JF  - Demography
VL  - 42
IS  - 2
SP  - 259
EP  - -273

ER  -