1. Aksenov, D.; D. Dobrynin; M. Dubinin; A. Egorov; A. Isaev; M. Karpachevskiy; L. Laestadius; P. Potapov; A. Purekhovskiy; S. Turubanova et al. (2002). Atlas of Russia’s Intact Forest Landscapes. Moscow. Available at http://www.forest.ru/eng/publications/intact/5.html
2. Bedritsky, A. I. (2000). “Key questions pertaining to Kyoto Protocol negotiations,” in Ekologicheskie aspekty energeticheskoi strategii kak factor ustoichivogo razvitia. Moscow: Izdatel’skii dom “Noosfera” [in Russian].
3. Bryant, D.; D. Nielsen; I. Tangley (1997). The Last Frontier Forests. Washington, D.C.: World Resources Institute.
4. CIA (2004). World Fact Book. Washington, D.C.: Central Intelligence Agency. Available at https://www.cia.gov/library/publications/the-world-factbook/
5. Climate in Crisis: The Greenhouse Effect and What We Can Do? (1991). Summertown, Oxford, U.K.: Technology Books.