@book{Austria2009,
author = "Austria, S.",
title = "Generations and gender survey",
year = 2009,
journal = "Familienentwicklung in Österreich",
publisher = "Vienna Institute of Demography and Österreichisches Institut",
url = "http://www.eltern-bildung.at/uploads/media/GGP_familienentwicklung_Dez_2009.pdf"
}