1. Association of Official Agricultural Chemists, 1970. Official Methods of Analysis. 10th ed. Washington, D.C.
2. Cage rearing of broilers on solid floors;Bhargava;Proc. XV World's Poultry Congress, New Orleans,1974
3. Dehydrated poultry waste in poultry rations;Biely;Poultry Sci.,1972
4. Recycling dried poultry wastes as a waste management system;Blair;Proc. XV World's Poultry Congress, New Orleans,1974
5. A simplified method for the determination of chromic oxide when used as an index substance;Bolin;Science,1952