BORKOWSKI, Maciej. Der „geschliffene" Diamant. Studia Germanica Posnaniensia, [S. l.], v. 19, p. 3–14, 2018. DOI: 10.14746/sgp.1993.19.01. Disponível em: https://pressto.amu.edu.pl/index.php/sgp/article/view/15852. Acesso em: 29 mar. 2024.