Dosumov, K., N. M. Popova, and A. K. Umbetkaliev. “The Extraction of Platinum and Palladium from Supported over Al2O3 Spent Catalysts Using Alternating Current”. Eurasian Chemico-Technological Journal 2, no. 1 (February 20, 2000): 107–111. Accessed November 24, 2024. https://ect-journal.kz/index.php/ectj/article/view/28.