1. A.O.A.C. 1955. Official Methods of Analysis. Association of Official Agricultural Chemists, Washington, D. C.
2. Bartle, Emery, and Voelker, H. H. 1960. Dairy Research Field Day. South Dakota State College. Mimeo.
3. The Effect of Wilting on the Feeding Value of Silages;Gordon;USDA—ARS,1960
4. Making Low-Moisture Silage in Regular Tower Silos;Gordon;USDA—ARS,1961
5. Effect on Milk Production, Body Weight, and Dry Matter Consumption when Feeding Haylage, Hay, and Silage with Simple Concentrate Supplements;Larsen;J. Dairy Sci.,1961