Wells, R. W <br/><br/>
The use of derris and cube washes in the control of cattle grubs  / 
R. W. Wells 
 - Washington  :   Department of Agriculture 
 - 5 p. 
 - EUA. Depat. Agr.; E-496 .
<br/><br/><label>LCCN: </label>202867 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hypoderma lineatum  Parasiticides  Ganado -- Parásitos  Derris como insecticida