1. Association of Official Agricultural Chemists. Official and Tentative Methods of Analysis. 7th ed. pp. 227, 233. Washington, D. C. 1950.
2. Study of Babcock Test for Butterfat in Milk;Bailey;J. Dairy Sci.,1919
3. Rapid Methods for the Determination of the Fat Content of Milk–Part II;Bakalor;Dairy Sci. Abstr.,1955
4. Comparison of the Roese-Gottlieb and Babcock Methods of Testing;Dahlberg;Assoc. Offic. Agr. Chem. J.,1923
5. A Comparison of the Babcock, Gerber, and Roese-Gottlieb Methods for Determining the Percentage of Fat in Milk and Cream;Dahlberg;New York State Agr. Expt. Sta., Tech. Bull.,1926