Ketchum, Paul A. <br/><br/>
Microbiology :  concepts and applications / 
Paul A. Ketchum 
 - New York :  John Wiley & Sons /  1988 
 - 795 p. :  ill. ;  26 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbiology