Walker, John Charles <br/><br/>
Plant pathology/ 
by John Charles Walker 
 - New York:   McGraw-Hill Book Company,  c1957 
 - xi.; 819p.:  ill.;  23cm. 
<br/><br/>Includes index 
<br/><br/><label>ISBN: </label>07067860X 
<br/><br/><label>Source: </label>B-4629 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Plant pathology
<br/><br/><label>LC Class. No.: </label>SB731.W34   / .W34 1957