Key points are not available for this paper at this time.
These excerpts from the original are reprinted from Milestones in Microbiology, translated and edited by Thomas D. Brock, E. B. Fred Professor of Natural Science, Department of Bacteriology, University of Wisconsin; the book was originally published in 1961 by Prentice-Hall, Inc. and was reprinted in 1975 by the American Society for Microbiology, Washington, D.C.
Rudy G. Koch (Mon,) studied this question.