1. Harris, R. S., 1959, Supplementation of foods with vitamins, J. Agric. Food Chem. 7: 88.
2. Harris, R. S., 1968, Attitudes and approaches to supplementation of foods with nutrients. J. Agric. Food Chem. 16: 149.
3. Filer, L. J., Jr., 1968, Enrichment of special dietary food products, J. Agric. Food Chem. 16: 184.
4. Aylward, F., 1971, Food fortification, Part L, in: World Health Organization Technical Report Series No. 477, WHO, Geneva, p. 8.
5. Harris, R. S., and von Loesecke, H., 1971, Nutritional evaluation of food processing, Reprinting of 1960 edition, Avi Press, Westport, Connecticut.