Wallis, R. L <br/><br/>
Control of the mexican bean beetle in irrigated districts in the west  / 
by R. L. Wallis 
 - Washington  :   Department of Agriculture 
 - 12 p. 
 - EUA. Dept. of Agriculture Circular; 675 .
<br/><br/><label>LCCN: </label>202919 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Epilachna varivestis  Control de plagas  Frijol -- Plagas