1. V. K. Vasil'ev, Byull. Éksp. Biol. Med., No. 11, 39 (1982).
2. J. Davidson, Biochemistry of Nucleic Acids, Methuen (1965).
3. Yu. V. Il'in, in: Progress in Science and Technology. Series: Molecular Biology [in Russian], Vol. 18, Moscow (1982), p. 5.
4. M. S. Kanugo, Biochemistry of Aging, Academic Press, London and New York (1980).
5. V. K. Mazurik, in: Current Problems in Radiobiology. Radiation in Biochemistry [in Russian], Vol. 4, Moscow (1975), p. 7.