000 00495nam a2200157Ia 4500
008 170101s1997 xx 000 0 und d
082 _a634.3 G96P
100 _aGURPAL Singh
245 0 _aPrevalence and characterization of the virus associated with citrus ring spot in the Punjab
260 _bLudhiana
_c1997
300 _a46,5L
650 _aCITRUS FRUITS -- DISEASES AND PESTS
653 _aCITRUS FRUITS -- DISEASES AND PESTS
653 _aVIRUS DISEASES OF PLANTS
942 _2ddc
_cT
999 _c115252
_d115252