TY  - BOOK
AU  - Bawden,F C
TI  - Plant Viruses and Virus diseasees
SN  - 81 7035 142 1
U1  - 632.8 
PY  - 1995///
CY  - New Delhi
PB  - Daya publishing house
KW  - Syptoms
KW  - transmission
ER  -