1. I. I. Blekhman, Synchronization of Dynamic Systems (Nauka, Moscow, 1971) [in Russian].
2. D. O. Vladimirova and A. A. Ekaikin, in Proceedings of International Scientific Conference “Natural Risks: Analysis, Assessment, Mapping” (MGU, Moscow, 2013) [in Russian].
3. M. Milankovich, Mathematical Climatology and Astronomical Theory of Climate Variations (GONTI, Moscow, 1939) [in Russian].
4. A. S. Monin, Introduction to Climate Theory (Gidrometeoizdat, Leningrad, 1982) [in Russian].
5. A. S. Monin and Yu. A. Shishkov, History of Climate (Gidrometeoizdat, Leningrad, 1979) [in Russian].