TY  - BOOK
AU  - Stwens,Neil E
AU  - Stevens,Russel B
TI  - Disease in plants : an introduction to agricultural phytopathology
U1  - 632 .3 
PY  - 1984///
CY  - New Delhi
PB  - International books &periodicals supply service
KW  - bacteria
KW  - Virus
ER  -