TY  - BOOK
AU  - Trivedi, P. R.,
TI  - Encyclopaedia of Environment, Pollution, Planning and Conservation Vol.4 : Ecology and Environment
SN  - 8176480002
U1  - 551 
PY  - 1998///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Ecology
KW  - Environment
KW  - Geology, hydrology & meteorology
ER  -