Klimek, Beata. “The Mode of Research on Old Mortar the Integral Piece of the Investigations of Architectural Relics”. Budownictwo i Architektura 7, no. 2 (December 13, 2010): 045–042. Accessed July 22, 2024. https://ph.pollub.pl/index.php/bia/article/view/2266.