1. Firestone, D., and W. Horwitz, J. Assoc. Off. Anal. Chem. 62:709 (1979).
2. Standard Methods for the Analysis of Oils, Fats and Derivatives. International Union of Pure and Applied Chemistry (IUPAC), Applied Chemistry Division, Commission on Oils, Fats and Derivatives, Part 1 (Sections 1 and 2), Pergamon Press, Oxford, 6th ed., 1979, Method 2.301, Section 5.
3. Ibid.,Method 2.302.
4. Badings, H.T., and C. De Jong, J. Chromatogr. 493:49 (1983).
5. Christopherson, S.W., and R.L. Glass, J. Dairy Sci. 52:1289 (1969).