1. Markley, K. S., and Goss, W. H., Soybean Chemistry and Technology, Chemical Publishing Co., Brooklyn, N. Y. (1944).
2. Department of Scientific and Industrial Research, Food Investigation Special Report;C. H. Lea,1938
3. Melvin, E. H., and O'Connor, R. T. Proc. of the 7th Summer Conference on Spectroscopy and Its Applications, 1939, p. 42 (1940).
4. Cholak, J., and Story, R. V., J. Opt. Soc. Am.,32, 502 (1942).
5. Strock, L. W. Am. Inst. of Mining and Metallurgical Eng. Tech. Pub. No. 1866 (1945).