1. Farrall, A. W. Engineering for Dairy and Food Products (Wiley, New York, 1963).
2. Quinn and Burgwald, Milk Plant Monthly, 22, 2, (1933), 26. See Hammer, B. W., and Babel, F. J. Dairy Bacteriology (Wiley New York, 1957).
3. American Public Health Association, Inc. Standard Methods for the Examination of Dairy Products, 12th ed.