Wingen, M. (2003). Anmerkungen zu 50 Jahren “Familienministerium” in Rück- und Ausblick: Comments on 50 years of the “Family Ministry” in a review and outlook . Journal of Family Research, 15(3), p. 272–293. Retrieved from https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/439