Walker, John Charles <br/><br/>
Plant pathology 

 - 3d ed 
 - New Delhi  Tata McGraw-Hill  1972 
 - xi,819 p.  Illustration 
<br/><br/><label>Subjects--Topical Terms: </label><br/>BOTANY
<br/><br/><label>Dewey Class. No.: </label>581.2  / WAL