Speirs, Roy Dean,  1928- <br/><br/>
Contact, residue, and vapor toxicity of new insecticides to stored-product insects: II / 
by Roy D. Speirs and Joe H. Lang 
 - Washington, D.C. :  U.S. Agricultural Research Service,  1970 
 - iv, 35 p. ;  26 cm. 
 - Marketing research report ;  no. 885 .
<br/><br/>Includes bibliographical references 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insecticides--Testing<br/>Insecticides--Toxicology<br/>Food storage pests--Control
<br/><br/><label>Dewey Class. No.: </label>380.14108