Klotz, L.J. <br/><br/>
The relative resistance of varieties and species of citrus to pythiacystis gummosis and other bark diseases / 
L.J. Klotz, H.S. Fawcett 
 - pp. 415-425 
<br/><br/> Sobretiro de: Journal of agricultural research 41(5): 415-425, 1930 
<br/><br/><label>LCCN: </label>206164 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cítricos -- enfermedades por virus