TY  - BOOK
AU  - M G Chitkara
TI  - Encyclopaedia of ecology,environment and pollution,Vol.10: The water(prevention and control of pollution),act 1974
SN  - 8170248906
AV  - 577.2703 
PY  - 1998///
CY  - New Delhi
PB  - APH Publishing corporation
ER  -