Trochonowicz, Maciej, Beata Klimek, and Daniel Lisiecki. “Biological Corrosion and Vegetation in the Aspect of Permanent Ruin”. Protection of Cultural Heritage, no. 6 (November 29, 2018): 201–212. Accessed April 29, 2024. https://ph.pollub.pl/index.php/odk/article/view/886.