1. Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences; Irkutsk State University
2. Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences
3. Irkutsk State University
4. Institute of the Earth’s Crust, Siberian Branch of the Russian Academy of Sciences; Limnological Institute, Siberian Branch of the Russian Academy of Sciences