@article{Dykstra2009,
author = "Dykstra, P.",
title = "Intergenerational relationships in ageing societies",
year = 2009,
journal = "United Nations Economic Commission for Europe Working Group on Ageing",
volume = 3,
pages = "19",
url = "http://www.unece.org/fileadmin/DAM/pau/_docs/age/2010/Intergenerational-Relationships/ECE-WG.1-11.pdf"
}