IFB-TEAM. ifb-Mitteilungen. Journal of Family Research, [S. l.], v. 19, n. 2, p. p. 247–249, 2007. DOI: 10.20377/jfr-306. Disponível em: https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/306. Acesso em: 12 dec. 2024.