Voroztsov, Oleg, Sergey Tikhonov, and Aleksandr Bileev. “MIXING VISCOUS LIQUIDS IN SETTLING TANKS”. ENVIRONMENT. TECHNOLOGY. RESOURCES. Proceedings of the International Scientific and Practical Conference 1 (June 16, 2021): 259–263. Accessed May 1, 2025. https://journals.ru.lv/index.php/ETR/article/view/6559.