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"Норильский городской Совет депутатов" [Norilsk City Council of Deputies]. Official website of the city of Norilsk. Archived from the original on March 5, 2022. Retrieved March 5, 2022.
Waldemar Januszczak (January 20, 2008). "Darker than it looks". Times Online. London. Archived from the original on June 17, 2011. Retrieved January 26, 2008.
"Норильский городской Совет депутатов" [Norilsk City Council of Deputies]. Official website of the city of Norilsk. Archived from the original on March 5, 2022. Retrieved March 5, 2022.
Waldemar Januszczak (January 20, 2008). "Darker than it looks". Times Online. London. Archived from the original on June 17, 2011. Retrieved January 26, 2008.