TY  - GEN
AU  - Chattopadhyay, S. B.
TI  - Principles and procedures of plant protection
SN  - 81-204-0202-2 :
U1  - 581.57 
PY  - 1980///
CY  - New Delhi
PB  - Oxford & IBH
KW  - ECOLOGY-PLANT
N1  - Includes index
ER  -