KOTIN, Michail L. Valenz und Afinitheit. Studia Germanica Gedanensia, [S. l.], n. 39, p. 91–100, 2018. DOI: 10.26881/sgg.2018.39.06. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/SGG/article/view/1970. Acesso em: 2 maj. 2025.