1. A. I. Kolesnikov, Ornamental Dendrology (Lesnaya Promyshlennost’, Moscow, 1974), pp. 389–390 [in Russian].
2. S. A. Sergeichik, Tree Plants and Environment (Uradzhai, Minsk, 1985) [in Russian].
3. I. Yu. Koropachinskii and T. N. Vstovskaya, Tree Plants of Asian Russia (Izd. SO RAN, Filial “Geo,” Novosibirsk, 2002), pp. 514–516 [in Russian].
4. I. M. Krasnoborov, M. N. Lomonosova, D. N. Shaulo, E. I. Vibe, O. S. Zhirova, E. A. Korolyuk, A. A. Krasnikov, O. N. Snytko, and N. N. Tupitsyna, Key to Plants of Novosibirsk Oblast (Nauka, Siberian Branch, Novosibirsk, 2000) [in Russian].
5. L. I. Milyutin, Population Ecology (Nauka, Moscow, 1991), pp. 86–97 [in Russian].