ABRAHAM, Werner. Valenzdiversifikationen: Was ist Thetikvalenz?. Studia Germanica Gedanensia, [S. l.], n. 39, p. 69–90, 2018. DOI: 10.26881/sgg.2018.39.05. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/SGG/article/view/1969. Acesso em: 20 grudz. 2024.