Devyatykh, E A, T O Devyatykh, and A N Boyarsky. “Overview of Technologies for Extraction of Platinum Group Metals from Poor Raw Materials”. KnE Engineering 3, no. 5 (July 17, 2018): 154–160. Accessed May 15, 2024. https://knepublishing.com/index.php/KnE-Engineering/article/view/2664.