TY  - GEN
AU  - Sethi, Indrajeet
AU  - Sethi, M.S.
AU  - Iqbal, S.A.
TI  - Environmental pollution : causes, effects & control
SN  - 8171691234
PY  - 1991///
CY  - New Delhi
PB  - Commonwealth Publishers
KW  - ENVIRONMENTAL PROTECTION
KW  - AIR POLLUTION
KW  - NOISE POLLUTION
KW  - WATER POLLUTION
ER  -