TY  - BOOK
AU  - Chitkara,M.G.
TI  - Encyclopaedia of Ecology, Environment and Pollution
SN  - 8170248809
U1  - 363.703 
PY  - 1998///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Encyclopaedia
KW  - Environment
KW  - Pollution
KW  - Ecology
N1  - Includes Index
ER  -