TY  - JOUR
A1  - Coall, David A.
A1  - Hertwig, Ralph
T1  - Grandparental investment: Past, present, and future
Y1  - 2010
UR  - 10.1017/S0140525X09991105
JF  - Behavioral and Brain Sciences
VL  - 33
IS  - 01
SP  - 1
EP  - -19

ER  -