SZMYGIN, Bogusław. Conditions and assumptions of the system of monument protection services in Poland. Protection of Cultural Heritage, [S. l.], n. 1, p. 121–128, 2016. DOI: 10.24358/ODK_2016_01_13. Disponível em: https://ph.pollub.pl/index.php/odk/article/view/105. Acesso em: 4 may. 2024.