Padalino, Giorgio, Salvatore Pretti, Sandro Tocco, and Maurizio Violo. “Some Examples of Lead-Zinc-Barite Depositions in Karstic Environments”. Geologija 15, no. 1 (December 31, 1972): 195–205. Accessed August 10, 2025. https://www.geologija-revija.si/index.php/geologija/article/view/1604.