TY  - BOOK
AU  - Trivedi, P.R.
AU  - Raj, Gurdeep.
TI  - Encyclopaedia of Environmental Sciences: Water pollution
SN  - 8171582796
U1  - REF 333.003 TRI 
PY  - 1992///
CY  - New Delhi
PB  - Akashdeep Publishing House.
KW  - Environmental Sciences
ER  -