TY  - BOOK
AU  - Trivedi, P.R.
AU  - Raj,Gurdeep
TI  - Encyclopedia of Environmental Sciences:Vol.1
SN  - 8171582796
U1  - 304.203 
PY  - 1995///
CY  - New Delhi
PB  - Akashdeep Publishing House , 
KW  - Environmental Science
ER  -