Lu, SiHeng, Chang Pan, YuJuan Jin, Xiang Wang, Xinlai Wei, and ZhiMin Yu. “EVALUATION OF HEAVY METALS AROUND THE MINING OF DECORATIVE STONE ORE IN SUSONG COUNTY LIAOHE RIVER”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 3 (June 15, 2017): 192–199. Accessed May 3, 2024. https://journals.ru.lv/index.php/ETR/article/view/2620.