Bertram, Hans. “Plurale Lebensformen Und Stabile Bindungen: Von Haushalten Und Netzen: Plural Ways of Life and Stable Ties: Households and Networks”. Journal of Family Research 13, no. 2 (September 1, 2001): p. 80–84. Accessed May 3, 2024. https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/475.