TY  - JOUR
A1  - Coall, D.A.
A1  - Hertwig, R.
T1  - Grandparental investment: Past, present, and future
Y1  - 2010
DO  - 10.1017/S0140525X09991105
JF  - Behavioral and Brain Sciences
VL  - 33
IS  - 1

ER  -