TY - CHAP A1 - Kreyenfeld, M. A1 - Konietzka, D. T1 - Childlessness in East and West Germany: Long-term trends and social disparities Y1 - 2017 DO - 10.1007/978-3-319-44667-7_5 A3 - Kreyenfeld, M. A3 - Konietzka, D. T2 - Childlessness in Europe: Contexts, causes, and consequences CY - Cham PB - Springer ER -