TY - JOUR A1 - Kreyenfeld, M. A1 - Konietzka, D. A1 - Lambert, P. A1 - Ramos, V.J. T1 - Second birth fertility in Germany: Social class, gender, and the role of economic uncertainty Y1 - 2023 DO - 10.1007/s10680-023-09656-5 VL - 39 IS - 1 ER -