1. P. K. Anokhin, Cybernetics of Functional Systems: Selected Works (Meditsina, Moscow, 1998) [in Russian].
2. F. Z. Meerson and M. G. Pshennikova, Adaptation to Stress Situations and Physical Loads (Meditsina, Moscow, 1988) [in Russian].
3. B. S. Dobroborski, Thermodynamics of Biological Systems (St. Petersburg, 2006) [in Russian].
4. H. V. Carey, M. T. Andrews, and S. L. Martin, Physiol. Rev. 83, 1153 (2003).
5. A. I. Anufriev and I. S. Vasiliev, Specific Features of Thermoregulation in the Long-tailed Ground Squirrel in Different Periods of Life and Cold Adaptation (Nauka, Novosibirsk, 1990) [in Russian].