1. American Public Health Association 1941 Standard methods for the examination of dairy products. 8th ed. American Public Health Association New York.
2. Association of Official Agricultural Chemists 1940 Official and tentative methods of analysis of the association of official agricultural chemists. 5th ed. Association of Official Agricultural Chemists Washington D. C.
3. BIRD E. W. 1946 Information on the use of methyl alcohol in the preparation of N/20 potassium hydroxide as reagent. Private communication.
4. COLLINS M. A. 1933 The action of lipolytic bacteria on some simple triglycerides and some natural fats. Thesis. Iowa State College Library Ames Ia.
5. The large numbers of Bacterium abortu 8 var. lipolyticus which may be found in milk;EVANS A. C.;J. Bact.,1917