School of fumigation  / 
Conducted by C. W. Woodworth...[et.al.] 
 - Pomona, Cal.  :   University of California 
 - 184 p. 
<br/><br/><label>LCCN: </label>202160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fumigación
<br/><br/><label>Dewey Class. No.: </label>PA 632.94 S2