TY  - GEN
AU  - Chattopadhyay, S. B.
TI  - Principles and procedures of plant protection
SN  - 8120402022
U1  - 632.5 
PY  - 1991///
CY  - New Delhi
PB  - Oxford & IBH Publishing
KW  - Plant injurres, diseases, pests
ER  -