Smith, Kenneth M <br/><br/>
Plant viruses 

 - 3 
 -  Methuen & Co., New York  1960 
 - 209 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant injuries, diseases, pests
<br/><br/><label>Dewey Class. No.: </label>PG 632  SMI-P3