TY  - JOUR
A1  - Hawkes, K.
A1  - O’Connell, J.F.
A1  - Blurton Jones, N.G. 
A1  - Alvarez, H.
A1  - Charnov, E.L.
T1  - Grandmothering, menopause, and the evolution of human life histories
Y1  - 1998
DO  - 10.1073/pnas.95.3.1336
JF  - Proceedings of the National Academy of Sciences
VL  - 95
IS  - 3
SP  - 1336
EP  - -1339

ER  -