TY  - BOOK
AU  - Sinha, R.K.
TI  - Environmental science: Hazardous gas and hazardous waste
T2  - World environmental science Series, 3
SN  - 8171693067
U1  - 363.7287 
PY  - 1994///
CY  - New Delhi
PB  - Commonwealth Pub.
ER  -