@article{Pollet2009,
author = {Pollet, T.V. and Nelissen, M. and Nettle, D.},
title= {Lineage based differences in grandparental investment: Evidence from a large British cohort study},
year = {2009},
doi = {10.1017/S0021932009003307},
journal = {Journal of Biosocial Science},
volume = {41},
number = {3},
pages = {355‒379},
}