Gray, Ernest A.  1908- <br/><br/>
Microbiology,  an introduction /  [[Book] :] 
Ernest A.Gray. 
 - London :  Crosby lockwood,  1954. 
 - xii,175p :  ill ;  20cm. 
<br/><br/> All age. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Microbiology.
<br/><br/><label>Dewey Class. No.: </label>576