Norton, Don C <br/><br/>
Fire blight  / 
by Don C. Norton 
 - Kingsville  :   Agricultural Extension Service 
 - 1 hoja desplegable 
<br/><br/><label>LCCN: </label>203051 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Tizón de fuego de la manzana  Manzana -- Enfermedades