TY  - BOOK
AU  - Swarup, R (Ed.)
AU  - Mishra, S N (Ed.)
TI  - Encyclopaedia of ecology environment & pollution control
SN  - 81-7099-360-1
PY  - 1992///
CY  - New Delhi: 
PB  - Mittal Publications, 
KW  - Ecology
KW  - Environment
ER  -