1. Ammon, R., and Jaarma, M. The Enzymes. (James B. Sumner and Karl Myrback, Editors) Academic Press, New York. Chap. 9. 1950.
2. Anon. Chemical Changes in Milk Fat Related to Flavor in Dairy Products. Md. Agr. Expt. Sta., Sixty-fifth Ann. Rpt., p. 43. 1951-52.
3. The Alpha-Naphthol Phthalein (ANP) Method for Measuring Fat Hydrolysis. I. Application to Butter;Armstrong;J. Dairy Sci.,1952
4. Survey of Water Insoluble Acids in Commercial Butter;Armstrong;Butter Cheese Milk Products J.,1951
5. Lipolytic Enzymes with Special Reference to the Baking Industry. A Literature Survey;Bradshaw;Food Sci. Abstr.,1952