Vinnikov, V. A., M. G. Silberschmidt, V. A. Bocharov, V. A. Ignatkina, and T. N. Gzogyan. “Environmental Resource - Economized Processes of Recycling Mineral Raw Materials of Complex Composition”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (August 6, 2015): 209–215. Accessed December 4, 2024. https://journals23.rta.lv/index.php/ETR/article/view/837.