A. Gorkin and others: Geografija Rossii: Enziklopeditscheski slowar . Bolschaja Rossijskaja enziklopedija, Moscow 1997, ISBN 5-85270-276-5 , p. 483. (Russian)
Individual evidence
↑ a b Itogi Vserossijskoj perepisi naselenija 2010 goda. Tom 1. Čislennostʹ i razmeščenie naselenija (Results of the All-Russian Census 2010. Volume 1. Number and distribution of the population). Tables 5 , pp. 12-209; 11 , pp. 312–979 (download from the website of the Federal Service for State Statistics of the Russian Federation)