1. Association of Official Analytical Chemists 1975. Official Methods of Analysis, 12th ed., Association of Official Analytical Chemists, Washington, D. C., Section 28.057-28.060.
2. CANVIN, D. T. 1965. The effect of temperature on the oil content and fatty acid composition of the oils from several oil seed crops. Can. J. Botany 43: 63-69.