1. N. I. Kalabukhov, Hibernation in Mammals (Nauka, Moscow, 1985) [in Russian].
2. C. P. Lyman, J. S. Willis, A. Malan, et al., Hibernation and Torpor in Mammals and Birds (Academic Press, New York, 1987).
3. J. Dark, Annu. Rev. Nutr. 25, 469 (2005).
4. I. K. Kolomiytseva, Biochemistry (Moscow) 76, 1291 (2011).
5. E. M. Kreps, Cell Membrane Lipids (Nauka, Moscow, 1981) [in Russian).