A. Ya. Gaev Orenburg State University, Institute of Ecological Problems of the Hydrosphere of OSU Russian Federation
Professor of Geological Department of Geologo-geographic Faculty
I. V. Kudelina Orenburg State University, Institute of Ecological Problems of the Hydrosphere of OSU Russian Federation
Assistant Professor of Geological Department of Geologo-geographic Faculty
I. N. Alferov Institute of Economics, Ural Branch of the Russian Academy of Sciences,
29 Moskovskaya Str., Yekaterinburg 620014, Russia Russian Federation
T. V. Leonteva Institute of Economics, Ural Branch of the Russian Academy of Sciences,
29 Moskovskaya Str., Yekaterinburg 620014, Russia Russian Federation
