TY  - BOOK
AU  - Klotz, L.J.
AU  - Fawcett, H.S.
TI  - The relative resistance of varieties and species of citrus to pythiacystis gummosis and other bark diseases
KW  - Cítricos
KW  -  enfermedades por virus
N1  - Sobretiro de: Journal of agricultural research 41(5): 415-425, 1930
ER  -