1. E. M. Belyavskii sand N. V. Fedorova, “Thermoregulation and the sleep-waking cycle in ground squirrels during changes in the temperature regime of the thermosensory area of the anterior hypothalamus,” Zh. Evolyuts. Biokhim. Fiziol., 35, No. 6, 490–494 (1999).
2. V. Ya. Brodskii and N. V. Nechaeva, The Rhythm of Protein Synthesis [in Russian], Nauka, Moscow (1988).
3. A. L. Zefirov and A. M. Petrov, Synaptic Vesicles and the Mechanism of Transmitter Release (the Exo-Endocytic Vesicular Cycle) [in Russian], Art Kafe, Kazan’ (2010).
4. N. I. Kalabukhov, Dormancy in Mammals [in Russian], Nauka, Moscow (1985).
5. I. G. Karmanova, The Evolution of Sleep [in Russian], Nauka, Leningrad (1977).