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Geologičeskoe opisanie
Vlasov, G. M., (1964)
Poleznye iskopaemye
Vlasov, G. M., (1977)
Feeding the Russian fur trade : provisionment of the Okhotsk seaboard and the Kamchatka Peninsula, 1639-1856
Gibson, James R., (1969)
Tajga SSSR
Parmuzin, Jurij P., (1985)