Lyon, Robert L.,  1927- <br/><br/>
Structure and toxicity of insecticide deposits for control of bark beetles / 
by Robert L. Lyon. 
 - Washington :  U.S. Dept. of Agriculture,  1965. 
 - iii, 59 p. :  ill. ;  23 cm. 
 - Technical bulletin / United States Department of Agriculture ;  no. 1343 .
 - Technical bulletin (United States. Department of Agriculture) ;  no. 1343. .
<br/><br/>Bibliography: p. 54-59. 
<br/><br/><label>LCCN: </label>agr65000437  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insecticides--Toxicology.<br/>Bark beetles--Control.
<br/><br/><label>LC Class. No.: </label>S21  / .A72 no. 1343 
<br/><br/><label>Dewey Class. No.: </label>632.76 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / Ag84Te no.1343