A.A. Ibragimova1, A.R. Shagidullin1, V.A. Gabdrahimova1, R.A. Shagidullina2, R.R. Shagidullin1
1Research Institute for Problems of Ecology and Mineral Wealth Use of TAS, RF, Kazan, Daurskaya St.,28.
2Ministry of Ecology and Natural Resources of the Republic of Tatarstan, RF, Kazan, Pavlyukhina St., 75
E-mail: Artur.Shagidullin@tatar.ru
DOI: 10.33075/2220-5861-2021-4-111-117