Walaker, John Charles <br/><br/>
Plant pathology 
John Charles Walaker 
 - New York  McGraw-hill book company, inc.  1997 
 - 707p. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>  
<br/><br/><label>Subjects--Topical Terms: </label><br/>biology<br/>Plant pathology
<br/><br/><label>Dewey Class. No.: </label>571.92  / WAL