TY  - BOOK
AU  - H S Bhatia
TI  - A Text book on environmental pollution & control
SN  - 81-7515-208-7
U1  - 614.77 Bha 
PY  - 1998///
CY  - Galgotia, New Delhi
KW  - CONTROL
KW  -  ENVIRONMENT
KW  -  POLLUTION
ER  -