TY  - JOUR
A1  - Keller, M.C.
A1  - Nesse, R.M.
A1  - Hofferth, S. 
T1  - The Trivers–Willard hypothesis of parental investment: No effect in the contemporary United States
Y1  - 2001
DO  - 10.1016/S1090-5138(01)00075-7
JF  - Evolution and Human Behavior
VL  - 22

ER  -