1. H. J. Almquist, Proceedings of Semi-Annual Meeting of Nutrition Council of American Feed Manufacturers Association, Chicago, III., Nov. 30˜Dec. 1, 1953, p. 9; cited in R. W. Caldwell, “Processed Plant Protein Foodstuffs” ed. by A. M. Altschul, Academic Press, Inc., New York, N.Y., 1958, pp. 535˜556.
2. B. J. Davis,Ann. New York Acad. Sci.121, 404 (1964).