1. Browne, C. A., Jr., J. Am. Chem. Soc.,25, 948–954 (1903).
2. Tsujimoto, M., Chem. Rev. Fett-Harz-Ind.,18, 111–112 (1911).
3. Jamieson, G. S., J. Oil & Fat Ind.,3, 256–261 (1926).
4. Cruz, A. O., West, A. P., and Mendiola, N. B., Philippine J. Sci.,47, 487–496 (1932).
5. Cruz, A. O., West, A. P., and Aragon, V. B., Philippine J. Sci.,48, 5–12 (1932).