@inbook{Herlofson2012,
author = {Herlofson, K. and Hagestad, G.O.},
title= {Transformations in the role of grandparentsacross welfare states},
year = {2012},
editor = {Arber, S.},
editor = {Timonen, V.},
booktitle = {Contemporary grandparenting: Changing family relationships in global contexts},
address = {Bristol},
publisher = {The Policy Press},
pages = {25--51},
}