1. Tumanov, I.I., Fiziologiya zakalivaniya i morozoustoichvost’ rastenii (Physiology of Plant Hardening and Frost Resistance), Moscow: Nauka, 1979.
2. Petrov, K.A., Sofronova, V.E., Chepalov, V.A., Perk, A.A., and Maksimov, T.Kh., Seasonal Changes in the Content of Photosynthetic Pigments in Perennial Grasses of Cryolithic Zone, Russ. J. Plant Physiol., 2010, vol. 57, pp. 181–188.
3. Trunova, T.I., Rastenie i nizkotemperaturnyi stress. 64-e Timiryazevskoe chtenie (Plant and Low-Temperature Stress, the 64th Timiryazev Lecture), Moscow: Nauka, 2007.
4. Welling, A. and Palva, E.T., Molecular Control of Cold Acclimation in Trees, Physiol. Plant., 2006, vol. 127, pp. 167–181.
5. Los, D.A., Molecular Mechanisms of Plant Cold Tolerance, Vestn. Ross. Akad. Nauk, 2005, vol. 75, pp. 338–345.