1. A. V. Amelin and S. N. Petrova, “Specific climate change in Orlov oblast in the past century and their impact on the crops in the region,” Vestn. Orlovsk. Gos. Agrar. Univ., Nos. 2–3, 75–78 (2006).
2. A. F. Vadyunina and Z. A. Korchagina, Methods for Studying Soil Physical Properties (Agropromizdat, Moscow, 1986) [in Russian].
3. Second Assessment Report of the Russian Hydrometeorological Center on Climate Change and Its Consequences in the Russian Federation. General Review, Ed. by A. V. Frolov (Rosgidromet, Moscow, 2014) [in Russian].
4. D. G. Zamolodchikov, V. O. Lopes de Gerenu, D. V. Karelin, A. I. Ivashchenko, and O. V. Chestnykh, “Carbon emission by the southern tundra during cold seasons,” Dokl. Biol. Sci. 372, 312–314 (2000).
5. D. G. Zamolodchikov, A. I. Utkin, and O. V. Chestnykh, “Conversion coefficients of green mass resources to phytomass for general forest species of Russia,” Lesn. Taksatsiya Lesoustroistvo, No. 1 (32), 119–127 (2003).