TY  - JOUR
A1  - Hagen, E.H.
A1  - Barrett, H.C.
A1  - Price, M.E.
T1  - Do human parents face a quantity-quality tradeoff?: Evidence form a Shuar community
Y1  - 2006
DO  - 10.1002/ajpa.20272.
JF  - American Journal of Physical Anthopology
VL  - 130
SP  - 405
EP  - -418

ER  -