Hildebrand, E.M. <br/><br/>
Incidencia of fire blight in young apple trees in relation to orchard practices  / 
by E.M. Hildebrand and A.J. Heinicke 
 - Ithaca, N.Y. :   Cornell University 
 - 36 p. 
<br/><br/><label>LCCN: </label>199132 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Manzana -- enfermedades