Leach Julian Gilbert <br/><br/>
Insect transmission of plant diseases 

 - New York  McGraw - Hill Book Company    1940 
 - xviii,615p.  cm. 
<br/><br/><label>Standard No.: </label>280,226 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>AGRICULTURE
<br/><br/><label>Dewey Class. No.: </label>J:4:2:K86, H02