@book{Vikat2004,
author = {Vikat, A. and Beets, G. and Billari, F. and Bühler, C. and Corijn, M. and Désesquelles, A. and Spéder, Z.},
title= {Generations and Gender Survey Core Questionnaire for Wave 1},
year = {2004},
address = {The Hague},
publisher = {GGP},
}