Korotchenkova Оксана Викторовна. “Authigenic Mineral Formation at the Top of the Clay-Anhydrite Strata of the Verkhnekamskoe Salt Deposit (Izversky Area)”. Problems of mineralogy, petrography and metallogeny. Scientific readings in memory of P.N. Chirvinsky, no. 25 (April 12, 2022): 148–153. Accessed May 18, 2024. http://press.psu.ru/index.php/miner/article/view/5006.