1. Lea, C. H., Rancidity in Edible Fats, New York, Chem. Publ. Co., 1939; Special Report No. 46, Food Investigation, London, H. M. Stationery Office, 1938.
2. Morrell, R. S. and Phillips, E. O., J. Soc. Chem. Ind.,58, 159 (1939).
3. Moureu, C. and Dufraisse, C., Chem. Rev.,3, 113 (1926).
4. Milas, N. A., Chem. Rev.,10, 295 (1932).
5. Franke, W. and Jerchel, D., Ann.,533, 46 (1937).