@article{Tanskanen2014,
author = {Tanskanen, A. and Rotkirch, A. },
title= {The impact of grandparental investment on mothers’ fertility intentions in four European countries},
year = {2014},
doi = {10.4054/DemRes.2014.31.1},
journal = {Demographic Research },
volume = {31},
number = {1},
pages = {1−26},
}