McDonnell, C. C <br/><br/>
Insect powder  / 
by C. C. McDonnell and G. L. Keenan 
 - Washington  :   Department of Agriculture 
 - 100 p. 
 - EUA. Dept. of Agriculture Bull.; 824 .
<br/><br/><label>LCCN: </label>204672 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insecticidas