TY  - BOOK
AU  - Trivedi, P. R.
TI  - Encyclopaedia of Environment, Pollution, Planning and Conservation : Ecology and Environment Vol - 4
SN  - 9788176480048
U1  - 333.7 
PY  - 1998///
CY  - New Delhi
PB  - A. P. H. P Publishing Corporation
ER  -