1. D. E. Metsler, Biochemistry [in Russian], Moscow (1980).
2. Yu. M. Ostrovskii and V. V. Vinogradov, Probl. Éndokrinol., No. 4, 99 (1968).
3. Yu. M. Ostrovskii, Active Centers and Groups in the Thiamine Molecule [in Russian], Minsk (1975).
4. Yu. M. Ostrovskii, in: Experimental Vitaminology [in Russian], Minsk (1979), p. 207.
5. A. A. Pokrovskii and A. I. Archakov, in: Modern Methods in Biochemistry [in Russian], Vol. 2, Moscow (1968), p. 5.