For citations:

Bespalaya Yu.V., Bolotov I.N., Makhrov A.A., Vikhrev I.V. Historical Geography of the Pearl Hunting in the Rivers of Southern White Sea Coast. Izvestiya Rossiiskoi Akademii Nauk. Seriya Geograficheskaya. 2012;(1):96-105. (In Russ.) https://doi.org/10.15356/0373-2444-2012-1-96-105