1. Wolff, I.A., Science 154: 1140–1149 (1966).
2. Wolff, I.A., Econ. Bot. 20(1): 2–5 (1966).
3. Anonymous, Fats Oils Situation 250: 41 (Nov. 1969).
4. U. S. Department of Agriculture, “Agricultural Statistics”, U.S. Government Printing Office, Washington, D.C., 1969, p. 601.
5. Anonymous, SEARCH, Oils, Fats and Waxes Div. 7(2): 28 (1970).