Walker, John Charles. <br/><br/>
Plant pathology / 
John Charles Walker 
 - 2nd ed 
 - New York ;  London :  McGraw-Hill,  1957. 
 - x, 707 p. :  ill., diagrs. ;  24 cm 
 - McGraw-Hill publications in the agricultural sciences .
<br/><br/>Includes references and index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant diseases
<br/><br/><label>Dewey Class. No.: </label>571.92  / WAP 1957