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GUIDE TO THE CLASSIFICATION 

 AND IDENTIFICATION OF THE 



Actinomycetes 



and their AfltibiottCS 



by SELMAN A. WAKSMAN 



Professor of Microbiology, Rutgers University 



and HUBERT A. LECHEVALIER 



Assistant Professor of Microbiology, Rutgers University 



THE WILLIAMS & WILKINS COMPANY 



Baltimore ,195 3 



