Basic microbiology / 
Wesley Volk, Margaret F. Wheeler. 
 - 4th ed. 
 - Philadelphia :  J. B. Lippincott CO.;  1980. 
 - xi, 611 p. :  col.  
<br/><br/><label>ISBN: </label>0397543131 
<br/><br/><label>LC Class. No.: </label>QR41.2  / .V64 1980