O'kane, W. C <br/><br/>
The performance of certain contact agents on various plant surfaces  / 
by W. C. O'kane, L. C. Glover and W. A Westgate 
 - Durham, N. H.  :   Agricultural Experiment Station 
 - 22 p. 
 - New Hampshire Agri. Exp. Sta. Technical bulletin; 68 .
<br/><br/><label>LCCN: </label>202747 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Química agrícola