1. Actinometric Monthly (Voeikov Main Geophys. Observatory, Leningrad, 1961–1986) [in Russian].
2. M. I. Budyko, Climate and Life (Gidrometeoizdat, Leningrad, 1971) [in Russian].
3. M. I. Budyko and A. A. Grigor’ev, “Classification of USSR Climates,” Izv. Akad. Nauk, Ser. Geogr., No. 3 (1959) [in Russian].
4. A. N. Zolotokrylin and E. A. Cherenkova, “Dynamics of Moistening Zone Boundaries in Subboreal Landscapes of Russia in the 20th–21st Centuries,” Izv. Akad. Nauk, Ser. Geogr., No. 4 (2011) [in Russian].
5. Assessment Report on the Climate Changes and Their Consequences on the Territory of the Russian Federation, Vol. 2: Climate Change Consequences (Rosgidromet, Moscow, 2008) [in Russian].