@article{Arpino2018,
author = {Arpino, B. and Bordone, V. and Balbo, N.},
title= {Grandparenting, education and subjective wellbeing of older Europeans},
year = {2018},
doi = {10.1007/s10433-018-0467-2},
volume = {15},
number = {3},
pages = {251--263},
}