1. The phosphorus requirement of young chicks and poults. A review;Almquist;Poultry Sci.,1954
2. Association of Official Agricultural Chemists, 1965. Official Methods of Analysis, 10th ed., Washington, D.C.
3. Evidence of vanadium toxicity resulting from the use of certain commercial phosphorus supplements in chick rations;Berg;Poultry Sci.,1963
4. Bird, H. R., H. J. Almquist, D. R. Clandinin, W. W. Cravens, F. W. Hill and J. McGinnis, 1966. Nutrient Requirements of Poultry, National Research Council publ. 1345.
5. The utilization by the chick of phosphorus from different sources;Gillis;J. Nutrition,,1948