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Victor Karmanov
Institute of Language, Literature and History of Komi Science Center of Ural Division of Russian Academy of Sciences, Kommunisticheskaya st., 26, 167982, Syktyvkar, Republic of Komi, Russian Federation
Natalia Zaretskaya
Geological Institute of Russian Academy of Sciences, Pyzhevsky per., 7, 119017, Moscow, Russia
Andrey Panin
Moscow State University, Faculty of Geography, Lengory-1, 119991, Moscow, Russia
Alexey Chernov
Moscow State University, Faculty of Geography, Lengory-1, 119991, Moscow, Russia