1. Society for Analytical Chemistry. The determination of tocopherol in oils, foods and feeding stuffs;Analyst,1959
2. Tocopherol content of Canadian butterfat and its use in detecting adulteration;Anglin;J. Dairy Sci.,1955
3. Dicks, M. W. 1965. Vitamin E content of foods and feeds for human and animal consumption. Wyoming Agr. Exp. Sta., Bull. 435. 194.
4. Seasonal variations in the vitamin A content of Victorian butterfat;Farrer;Australian J. Sci. Res.,1949
5. Nutritional investigations in Denmark during the war, 1939-45;Fridericia;Proc. Nutrition Soc.,1947