Volk wesley a. <br/><br/>
Basic  microbiology 

 - Philadelpia .toronto  J .b lippincott company  1980 
<br/><br/><label>ISBN: </label>0-397-54313-4 
<br/><br/><label>LC Class. No.: </label>576/VOL 
<br/><br/><label>Dewey Class. No.: </label>576/VOL