1. The calcium and phosphorus requirements of goslings;Aitken;Poultry Sci.,1958
2. Official Methods of Analysis;Association of Official Agricultural Chemist,1965
3. Protein requirement of ducklings at different stages of growth;Dean;Poultry Sci.,1965
4. Studies on calcium requirements of broilers;Edwards;Poultry Sci.,1963
5. Levels of calcium and phosphorus in the diet of young growing chickens;Mehring;Poultry Sci.,1964