TY  - JOUR
A1  - Udry, J.R.
T1  - Biosocial models of low-fertility societies
Y1  - 1996
DO  - 10.2307/2808017
JF  - Population and Development Review. Supplement: Fertility in the United States: New Patterns, New Theories
VL  - 22
SP  - 325
EP  - -336

ER  -