Geser, Willi. “Geschwisterbeziehungen Junger Erwachsener Aus Scheidungsfamilien: Sibling Relationships Between Young Adults from Divorce Families”. Journal of Family Research 13, no. 1 (April 1, 2001): p. 23–44. Accessed May 5, 2024. https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/464.