Leach, J.G.  <br/><br/>
Insect transmission of plant diseases  (Book) 

 - New York  McGraw-Hill  1940 
 - 615 p.  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects as carriers of plant disease Plant diseases
<br/><br/><label>Universal Decimal Class. No.: </label>632 : 595.7 LEA  / 6170