O'kane, W. C <br/><br/>
The performance of certaín contact agents on various insects  / 
by W. C. O'kane, W. A. Westgate and L. C. Glover 
 - Durham, N. H.  :   Agricultural Experiment Station 
 - 20 p. 
 - New Hampshire Agri. Exp. Sta. Bulletin 51 .
<br/><br/><label>LCCN: </label>202746 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insecticidas  Control biológico de insectos