1. Bacterial Dissimilation of Citric Acid;Brewer;Iowa State Coll. J. Sci.,1939
2. Influence of Culturing Cottage Cheese Dressing with Different Organisms on Flavor and Keeping Quality;Elliker;J. Dairy Sci.,1964
3. Agar Media for the Isolation and Enumeration of Aroma Bacteria in Starters;Galesloot;Netherlands Milk Dairy J.,1961
4. Hammer, B. W. 1921. Sources of Flavor in Butter. Iowa Agr. Exp. Sta., Research Bull. 67, Ames, Iowa.
5. Dairy Bacteriology;Hammer,1957