1. N. I. Bazilevich and A. A. Titlyanova, Biotic Cycling on Five Continents: Nitrogen and Ash Elements in Natural Terrestrial Ecosystems (Izd. SO RAN, Novosibirsk, 2008) [in Russian].
2. L. E. Rodin and N. I. Bazilevich, Dynamics of Organic Matter and the Biological Cycle of Ash Elements and Nitrogen in the Main Types of Vegetation on the Globe (Nauka, Moscow, 1965) [in Russian].
3. M. G. Romanovskii, V. V. Mamaev, N. N. Selochnik, et al., Ecosystems of the Tellerman Forest (Nauka, Moscow, 2004) [in Russian].
4. Fundamentals of photosynthetic productivity of plants;A. A. Nichiporovich,1973
5. N. Ya. Margolina, A. L. Aleksandrovskii, B. A. Il’ichev, et al., Age and Evolution of Chernozems (Nauka, Moscow, 1988) [in Russian].