1. American Oil Chemists Society, Official and Tentative Methods of Analysis (1938).
2. Baughman, W. F., and Jamieson, G. S., J. Am. Chem. Soc.42, 2398 (1920).
3. Higby, R. M., J. Am. Chem. Soc.60, 3013 (1938).
4. Hilditch, T. P., The Chemical Constitution of Natural Fats. p. 308, John Wiley and Sons (1941).
5. Hilditch, T. P.,Ibid., pp. 374–6.