Grubb, T.C.: Studies on the Fermentation of Sorbitol by Oral Microorganisms, J. D. Res. 24: 31-44, 1945.
2.
Rogosa, M., Wiseman, R.F., Mitchell, J.A., and Disraely, M.N.: Species Differentiation of Oral Lactobacilli From Man Including Descriptions of Lactobacillus salivarius NOV. SPEC. and Lactobacillus cellobiosus NOV. SPEC., J. Bact.65 : 681-699, 1953.
3.
Rogosa, M., and Mitchell, J.A.: Induced Colonial Variation of a Total Population Among Certain Lactobacilli , J. Bact. 59: 303-308, 1950.
4.
Umbreit, W.W., Burris, R.N., and Stauffer, J.F.: Manometric Techniques and Tissue Metabolism, Minneapolis, 1949 , Burgess Publishing Company.
5.
Smith, R.S.: Studies of the Dental Plaque and the Physiology of the Oral Lactobacilli, Thesis, Ohio State University, 1953.
