BINIAŚ-SZKOPEK, M. Who was Silesia for? Conflicts within the Piast Dynasty over the rule in Silesia in the second half of the 12th century. The Opole Studies in Administration and Law, [S. l.], v. 14, n. 4 (2), p. 25–36, 2016. DOI: 10.25167/osap.1309. Disponível em: https://czasopisma.uni.opole.pl/index.php/osap/article/view/1309. Acesso em: 5 dec. 2024.