@inbook{Kreyenfeld2017,
author = {Kreyenfeld, M. and Konietzka, D.},
title= {Childlessness in East and West Germany: Long-term trends and social disparities},
year = {2017},
doi = {10.1007/978-3-319-44667-7_5},
editor = {Kreyenfeld, M.},
editor = {Konietzka, D.},
booktitle = {Childlessness in Europe: Contexts, causes, and consequences},
address = {Cham},
publisher = {Springer},
pages = {97--114},
}