Maloy Otis,C. <br/><br/>
Plant Disease Control Principle & Practice 

 - New York  John Wiley &Sons.inc..  1993 
 - xii,346p;i 
<br/><br/><label>ISBN: </label>0-471-57317-5 
<br/><br/><label>Dewey Class. No.: </label>632.3