TY  - BOOK
AU  - Gates,Alexander E.
AU  - Gates,Alexander E.
AU  - Blauvelt,Robert P.
TI  - Encyclopedia of pollution( Vol. 1-2 )
SN  - 9788130920733
U1  - 363.7303 
PY  - 2012///
CY  - New Delhi
PB  - Viva Books
ER  -