TY  - BOOK
AU  - Trivedi, P R
TI  - Encyclopaedia of Enviorment, Pollution ,Planning and Conservation Vol. 6
SN  - 8176480061
U1  - 030.337 TRI/EN 
PY  - 2000///
CY  - New Delhi
PB  - A.P.H.Publishing Corporation
ER  -