1. 10 stran s samymi bogatymi prirodnymi resursami [10 Countries with the Richest Natural Resources]. http://www.online812.ru/2012/04/28/002
2. 10 стран с самыми богатыми природными ресурсами // Общественно-политический интернет-портал Online812.ru. URL: http://www.online812.ru/2012/04/28/002
3. Alexandrov R. Yu. 2004. Optimizatsiya geoekologicheskogo monitoringa gorodskikh lesov [Optimization of Geoenvironmental Monitoring of the City Woods]. Cand. Sci. (Geogr.) diss. Moscow.
4. Barannik L. P., Nikolaychenko V. P., Salagayev A. F., Egorov V. N., Luzanov V. G. 2005. Ekologicheskoye sostoyaniye lesov Kuzbassa [Ecological Condition of the Woods of Kuzbass]. Kemerovo: Irbis.
5. Bukharina I. L., Vedernikov K. E., Dvoyeglazova A. A. 2007. "Otsenka ekologicheskogo potentsiala nasazhdeniy zelenoy zony g. Izhevska i vozmozhnyye puti resheniya problemy optimizatsii gorodskoy sredy" [Assessing of the Ecological Potential of Plantings of a Green zone of Izhevsk and Possible Solutions of a Problem of Optimization of an Urban Environment]. Izvestia of Samara Scientific Center of the Russian Academy of Sciences. Common Problems of ecology, vol. 9, no 4, pp. 1061-1067.