@article{Posadas2013,
author = {Posadas, J. and Vidal-Fernandez, M.},
title= {Grandparents’ childcare and female labor force participation},
year = {2013},
doi = {10.1186/2193-9004-2-14},
journal = {IZA Journal of Labor Policy},
volume = {2},
number = {14},
}