@unpublished{Caporali2013a,
author = "Caporali, Arianna and Klüsener, Sebastian and Neyer, Gerda R and Krapf, Sandra and Grigorieva, Olga",
title = "Providing easy access to cross-country comparative contextual data for demographic research: concept and recent advances of the Generations & Gender Programme Contextual Database",
year = 2013,
publisher = "First online publication",
institution = "Max Planck Institute for Demographic Research, Rostock, Germany",
number = WP 2013-001,
month = "Jan",
url = "http://www.demogr.mpg.de/papers/working/wp-2013-001.pdf"
}