Williams, J. I <br/><br/>
Micro-organisms (2nd ed.) 

 - 2nd ed. 
 - London:  Collins Educational  1992 
 - 176p. : ill. 
<br/><br/><label>ISBN: </label>0003223248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BIOLOGY
<br/><br/><label>LC Class. No.: </label>QR 41.2 Wil