1. Evaluation of egg shells as a low cost calcium source for laying hens;Arvat;Poultry Sci.,1973
2. Multiple range and multiple F tests;Duncan;Biometrics,1955
3. A comparison of phosphorus assay techniques with chicks;Harms;2. Development of a calcium standard curve for monosodium phosphate. Poultry Sci.,1967
4. Statistical Methods;Snedecor,1967
5. Value of egg shell meal as a poultry feedstuff;Vandepopuliere;Poultry Sci.,1973