@article{Tanskanen2014,
author = {Tanskanen, A.O. and Jokela, M. and Danielsbacka, M. and Rotkirch, A.},
title= {Grandparental effects on fertility vary by lineage in the United Kingdom},
year = {2014},
doi = {10.1007/s12110-014-9200-9},
journal = {Human Nature},
volume = {25},
number = {2},
pages = {269--284},
}