@article{Kreyenfeld2006,
author = {Kreyenfeld, M. and Geisler, E.},
title= {Müttererwerbstätigkeit in Ost- und Westdeutschland [Maternal employment in East and West Germany]},
year = {2006},
journal = {Zeitschrift für Familienforschung},
volume = {18},
number = {3},
pages = {333--360},
}