TY  - BOOK
AU  - Mishra, S.R.
TI  - Assesment of water pollution
SN  - 8170247101
U1  - 577.6427 21st ed.
PY  - 1996///
CY  - New Delhi
PB  - APH Publishing Corporation
KW  - Pollution
KW  - Pollution control
KW  - Water pollution
ER  -