Profesor Janusz Rulka (1936–2016). Tabularium Historiae, [S. l.], v. 1, p. 139–142, 2017. DOI: 10.34767/TH.2017.01.11. Disponível em: https://czasopisma.ukw.edu.pl/index.php/th/article/view/273.. Acesso em: 4 dec. 2024.