1. Food and Nutrition Board : Recommended Dietary Allowances, Revised. Natl. Acad. Sci—Natl. Research Council Pub. No. 129, 1948; No. 302, 1953.
2. Calcium and Phosphorus in Foods and Nutrition;Sherman,1947
3. Utilization of an improved diet by older women;Ohlson;J. Am. Dietet. A.,1952
4. A study of the minimum calcium requirements of adult men;Hegsted;J. Nutrition,1952
5. Recent investigations in mineral nutrition;Stearns;J. Am. Dietet. A.,1942