1. G. I. Abelev, Byull. Éksp. Biol. Med.,76, No. 11, 122 (1973).
2. T. P. Klyushnik, S. G. Voloshchuk, M. V. Aksenova, and G. Sh. Burbaeva, Byull. Éksp. Biol. Med.,99, No. 2, 179 (1985).
3. V. V. Chestkov, A. V. Laptev, E. M. Danilina, and S. S. Shishkin, Biokhimiya,51, No. 7, 1214 (1986).
4. J.-P. Abita, F. Blandin-Savoja, and F. Rey, Biochem. Int.,7, 727 (1983).
5. B. Bloch, T. Popovici, M. J. Levin, et al., Proc. Natl. Acad. Sci. USA,82, 6706 (1985).