@inproceedings{Neels2011a,
author = "Neels, Karel and Winter, De, Tom and Vermant, Greten",
title = "The quality of demographic data in GGS Wave 1",
year = 2011,
booktitle = "First User Conference of the GGP 'Demographic and Social Challenges in an aging Europe",
url = "http://ir.anet.ua.ac.be/irua/handle/10067/932780151162165141"
}