Refatti, E. <br/><br/>
Pear decline and moria 

<br/><br/> Sobretiro de: Technical communication. Commonwealth Bureau of Horticulture and Plantation Crops No. 30, Suplement No. 1: 108a - 108h, 1967. 
<br/><br/><label>LCCN: </label>1195 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Pera--Enfermedades por virus.