TY  - JOUR
A1  - Lopreato, Joseph
A1  - Yu, Mei-yu
T1  - Human fertility and fitness optimization
Y1  - 1988
DO  - 10.1016/0162-3095(88)90009-X
JF  - Ethology and Sociobiology
VL  - 9
IS  - 5
SP  - 269
EP  - -289

ER  -