KAUFMANN, F.-X. Kein Glückwunsch. Journal of Family Research, [S. l.], v. 15, n. 3, p. p. 299–302, 2003. Disponível em: https://ubp.uni-bamberg.de/jfr/index.php/jfr/article/view/440. Acesso em: 2 may. 2024.