1. Allen, R. R. and Kiess, A. A., J. Am. Oil Chemists' Soc.,32, 400–5 (1955).
2. Bailey, A. E., “Industrial Oil and Fat Products,” 2nd ed, Interscience Publishers Inc., New York (1951).
3. Ballantine, D. S., Colombo, P., Gliner, A. and Manowitz, B., Chem. Eng. Prog. Symp. Series,11, 267 (1954).
4. Boelhouwer, C., Heerties, P. M., Houtman, J. P. W., Van Steenis, J., and Waterman, H. I., Rec. trav. chem.,69, 711–736 (1950).
5. Breger, J. and Burton, W. L., J. Am. Chemists' Soc.,68, 1639 (1946).