1. Hilditch, T. P., “The Chemical Constitution of Natural Fats”, 2nd Ed., John Wiley and Sons Inc., N. Y. (1947) Chapter VI, pp. 231–287.
2. Doerschuk, A. P., and Daubert, B. F., J. Am. Oil Chem. Soc.,24, 274 (1947).
3. Hilditch, T. P.loc. cit., “, p. 315.
4. Norris, F. A., and Mattil, K. F., J. Am. Oil Chem. Soc.,24, 274 (1947).
5. Kartha, A. R. S.,ibid.,,29, 109 (1952).