Wells, R. W <br/><br/>
The use of derris and cube washes and dusts in the control of cattle grubs  / 
R. W. Wells, E. W. Leake 
 - Washington  :   Department of Agriclture 
 - 9 p. 
 - EUA. Dpt. Agr.; E-562 .
<br/><br/><label>LCCN: </label>202871 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Hypoderma lineatum  Parasiticidas  Ganado -- Parásitos  Derris como insecticida