1. American Oil Chemists’ Society, “Official and Tentative Methods,” 2nd ed., edited by T. H. Hopper, Chicago, 1946 (revised annually).
2. Ashworth, D. I. (to The DeLaval Separator Company) U. S. Pat. 2,157,882 (1939).
3. Bailey, A. E., “Industrial Oil and Fat Products,” 2nd ed., Interscience Publishers Inc., New York, 1951, pp. 626–634.
4. Dressler, R. G., Oil and Soap,17, 124 (1940).
5. Pominski, C. H., Loeb, J. R., and Dollear, F. G., presented at the 45th annual meeting of the American Oil Chemists’ Society, San Antonio, Tex., April 12–14, 1954.