Schmidt, Eva-Maria, Irene Rieder, Ulrike Zartler, Cornelia Schadler, and Rudolf Richter. “Turning Points in the Transition to Parenthood: Variability of Father Involvement over Time: Wendepunkte Am Übergang Zur Elternschaft: Variabilität väterlicher Beteiligung”. Journal of Family Research 29, no. 2 (September 1, 2017): p. 139–155. Accessed January 27, 2023. https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/73.