1. Atwater, W. O., and Woods, C. D.: The Chemical Composition of American Food Materials. USDA Bull. No. 28, 1896.
2. A History of Nutrition;McCollum,1957
3. Concepts in developing a food composition table;Watt;J. Am. Dietet. A.,1962
4. Food: The Yearbook of Agriculture;Stefferud,1959
5. World Review of Nutrition and Dietetics;Bourne,1960