TY  - GEN
AU  - Chhatwal, G.R., ed. ... [et al.]
TI  - Environmental water pollution and its control
SN  - 81-7041-214-5
PY  - 1989///
CY  - New Delhi
PB  - Anmol
KW  - WATER POLLUTION
KW  - WATER POLLUTION-CONTROL
KW  - ENVIRONMENTAL PROTECTION
ER  -