Bukal, Grzegorz, and Agnieszka Kowalska. “Conservation Theory and the Accessibility of Monuments On the Example of the High Castle in Malbork ”. Protection of Cultural Heritage, no. 13 (December 31, 2022): 85–100. Accessed May 6, 2024. https://ph.pollub.pl/index.php/odk/article/view/2988.