@article{Sear2010,
author = {Sear, R. and Dickins, T.E. },
title= {The generation game is the cooperation game: The role of grandparents in the timing of reproduction},
year = {2010},
doi = {10.1017/S0140525X09991725},
journal = {Behavioral and Brain Sciences},
volume = {33},
number = {1},
pages = {34--35},
}