@inbook{a39c784d2830443d97164d290ba62633,
title = "Demographic change and the social contract of informal support within the family",
author = "{de Jong Gierveld}, J.",
note = "Reporting year: 2007",
year = "2007",
language = "Niet gedefinieerd",
isbn = "9781402059728",
pages = "177--190",
editor = "J. V{\'e}ron and J. L{\'e}gar{\'e} and S. Pennec",
booktitle = "Ages, generations and the social contract: the demographic challenges facing the welfare state",
publisher = "Springer",
address = "Duitsland",
}