1. Bailey, A. E., Industrial Oil and Fat Products, Interscience Publishers, Inc., New York, 1945, especially pp. 243 and 610.
2. Bailey, A. E., and Fisher, G. S., Oil & Soap,23, 14–18 (1946).
3. Bailey, A. E., Oliver, G. D., Singleton, W. S., and Fisher, G. S., Oil & Soap,20, 251–255 (1943).
4. Ezekiel, M., Methods of Correlation Analysis, John Wiley and Sons, Inc., New York, 1941, especially pp. 146–162 and 318.
5. Fisher, G. S., O'Connor, R. T., and Dollear, F. G., J. Am. Oil. Chemists' Society,24, 382–387 (1947).