Laboratory manual of general microbiology : with special reference to the microorganisms of the soil / by Edwin Broun Fred and Selman A. Waksman. Fred, Edwin Broun, 1887-1981. Waksman, Selman A. (Selman Abraham), 1888-1973, joint author. Microbiology Laboratory manuals. Soil microbiology. QR63 .F8 589.95 FRL "Literature": p. 137-139. New York : McGraw-Hill book company, inc., c1928. c1928. 1928 Text viii, 145 p. : eng