@book{Konietzka2007,
author = {Konietzka, D. and Kreyenfeld, M.},
title= {Ein Leben ohne Kinder: Kinderlosigkeit in Deutschland [Life without children: Childlessness in Germany]},
year = {2007},
address = {Wiesbaden},
publisher = {VS Verlag für Sozialwissenschaften},
}