1. S. D. Gusakova, I. I. Vinokurov, and A. U. Umarov, Khim. Prir. Soedin,, 288 (1981).
2. Handbook of Methods of Investigation and of Technical-Chemical Control and the Accounting of Production in the Oils and Fats Industry [in Russian], Leningrad, Vol. 1, Book 1 (1967).
3. S. G. Batrakov, V. L. Sadovskaya, V. N. Galyashin, B. V. Rozynov, L. D. Bergel'son, Bioorg, Khim.,4, 1220 (1978).
4. T. V. Khomova, S. D. Guzakova, and A. U. Umarov, Khim. Prir. Soedin., 232 (1983).
5. R. Kleiman, G. F. Spencer, L. W. Tjarks, and F. R. Earle, Lipids,6, 617 (1971).