Drooz, Arnold Thomas,  1921- <br/><br/>
The larch sawfly :  its biology and control / 
by A.T. Drooz 
 - Washington :  U.S. Dept. of Agriculture,  1960. 
 - iii, 52 p. :  ill., maps. ;  23 cm. 
 - Technical bulletin / United States Department of Agriculture ;  no. 1212 .
 - Technical bulletin (United States. Department of Agriculture) ;  no. 1212. .
<br/><br/>Literature cited: p. 45-52. 
<br/><br/><label>LCCN: </label>agr60000189  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Larch sawfly--Control.
<br/><br/><label>LC Class. No.: </label>S21  / .A72 no. 1212 
<br/><br/><label>Dewey Class. No.: </label>595.79 
<br/><br/><label>National Agricultural Library Call No.: </label>1  / Ag84Te no.1212