TY  - BOOK
AU  - GURPAL Singh
TI  - Prevalence and characterization of the virus associated with citrus ring spot in the Punjab
U1  - 634.3 G96P 
PY  - 1997///
PB  - Ludhiana
KW  - CITRUS FRUITS -- DISEASES AND PESTS
KW  - VIRUS DISEASES OF PLANTS
ER  -