1. Digestion experiments with poultry;Bartlett;Maine Agr. Exp. Sta. Bul.,1910
2. Benton and Clinton: New disease resistant spring oats;Caldwell;Purdue Univ. Agr. Exp. Sta. Bul.,1946
3. Studies on feed efficiency;Carrick;Poultry Sci.,1947
4. Digestibility and production coefficients of poultry feeds;Fraps;Texas Agr. Exp. Sta. Bul.,1928
5. Digestive coefficients of poultry feeds and rapidity of digestion and fate of grit in the fowl;Kaup;N. C. Agr. Exp. Sta. Tech. Bul.,1923