Heald, Frederick Deforest <br/><br/>
Introduction to plant pathology 

 - 2 
 -  McGraw-Hill Book Company, New York  1943 
 - 603 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant pathology; Botany
<br/><br/><label>Dewey Class. No.: </label>PG 581.2  HEA-I2