1. Bergey's Manual of Determinative Bacteriology, 6th ed., p. 359 (1948). Baltimore; Williams and Wilkins Co.
2. Ph.D. Thesis, Dept. of Chemical Engineering, University of Minnesota (1949)
3. Lactic Acid Fermentation Rate - Effect of Continuously Controlled pH
4. and U.S. Dept. of Agriculture, Bur. Agric. Industr. Chem., AIC-178 (1948);
5. see also U.S. Dept. of Agriculture, Bur. Agric. Industr. Chem., AIC-279 (1950)