TY  - BOOK
AU  - Bawden,Frederick Charles
TI  - Plant viruses and virus diseases
AV  - SB736 .B3 1950
U1  - 632.3 
PY  - 1950///
CY  - Waltham, Mass.
PB  - Chronica Botanica Co.
KW  - Virus diseases of plants
ER  -