1. The effect of bentonite on nutrient retention by turkeys;Almquist;Feedstuffs,1967
2. Association of Official Agricultural Chemists. 1960. Official Methods of Analysis. Washington, D.C.
3. The colorimetric determination of lactic acid in biological material;Barker;J. Biol. Chem.,1941
4. Baumgardt, B. R. 1964. Practical observations on the quantitative analysis of free volatile fatty acids (VFA) in aqueous solutions by gas-liquid chromatography. Dept. Bull. 1. Dep. Dairy Sci., Univ. of Wisconsin, Madison.
5. The use of urea to increase the crude protein content of corn silage for fattening steers;Bentley;Ohio Agr. Exp. Sta. Res. Bull.,1955