TY  - BOOK
AU  - M G Chitkara
TI  - Encyclopaedia of ecology,environment and pollution,Vol.11: The air(prevention and control of pollution) act,1981
SN  - 8170248914
AV  - 577.2703 
PY  - 1998///
CY  - New Delhi
PB  - APH publishing corporation
ER  -