1. H. E. Conrad, “Methods in Carbohydrate Chemistry,” Vol. 6, ed. by R. L. Whistler and J. N. BeMiller, Academic Press, New York, 1972, p. 361.
2. N. K. Kochetkov and O. S. Chizhov,ibid., vol.6, 1972, p. 540.
3. J. F. Stoddart, “Stereochemistry of Carbohydrates,” John Wiley and Sons, Inc., New York, 1971, p. 147.