Walker J C ` <br/><br/>
Plant pathology 

 - New York       McGraw Hill         1950 
 - p.  cm. 
 - McGraw Hill publication in the agricultural sciences .
<br/><br/><label>Standard No.: </label>51974 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Plant disease<br/>Agriculture
<br/><br/><label>Dewey Class. No.: </label>J:4, J03;1