Karu, Veiko, Angela Notton, Julia Gulevitš, Ingo Valgma, and Tiit Rahe. “Improvement of Technologies for Mining Waste Management”. ENVIRONMENT. TECHNOLOGIES. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (August 6, 2015): 127–132. Accessed November 21, 2024. https://journals23.rta.lv/index.php/ETR/article/view/811.