1. Department of Archaeology, Institute of Linguistics, Literature and History of the Karelian Research Center of the RAS, Petrozavodsk, Russia
2. Laboratory of Hydrochemistry and Hydrogeology, Northern Water Problem Institute of the Karelian Research Center of the RAS, Petrozavodsk, Russia
3. Laboratory of Probability Theory and Data Analysis, Institute of Applied Mathematical Research of the Karelian Research Center of the RAS, Petrozavodsk, Russia