TY  - BOOK
AU  - Sethi,Inderjeet
AU  - Sethi,M.S.
AU  - Iqbal.,S.A.
TI  - Environmental Pollution: causes, effects & control 
SN  - 8171691234
U1  - 363.739 
PY  - 1991///
CY  - New delhi
PB  - Commonwealth Publishers
KW  - environment.
N1  - includes index
ER  -