Swingle, M. C. <br/><br/>
The effect of previous diet on the toxic action of lead Arsenate to a leaf-feeding insect / 
M. C. Swingle. 
 - [s.l :  s.n,  1939]. 
 - v. :  30 cm. 
<br/><br/> Journal of Economic Entomology, vol. 22, no. 6, December 1939. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pests-- Control.<br/>Lead arsenate.
<br/><br/><label>Dewey Class. No.: </label>632.9