Ciosmak, Małgorzata, and Patrycja Rzęsa. “ Petrographic Study of Selected Sculptural Works of Jan Michałowicz from Urzędów”. Budownictwo i Architektura 17, no. 3 (December 10, 2018): 201–218. Accessed July 22, 2024. https://ph.pollub.pl/index.php/bia/article/view/381.