Jones, A. L. <br/><br/>
Compendium of apple and pear diseases 

 - St. Paul, Minn. :  The American Phytopathological Society,  1990 
 - 100 p.  : ilus. 
 - Disease compendium series .
 - Disease compendium series .
<br/><br/><label>LCCN: </label>71487 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manzana--Enfermedades.<br/>Pera--Enfermedades.
<br/><br/><label>Dewey Class. No.: </label>634.11  / J6