TY  - BOOK
AU  - Chatwall,G.R.
TI  - Encyclopaedia of environmental pollution and its contro:  : Vol.3
SN  - 81-7041-246-3
AV  - REF TD173.E52 Vol.3 
PY  - 1989///
CY  - New Delhi
PB  -  : Anmol Publications Pvt. Ltd
KW  - Pollution
KW  -  Dictionaries and encyclopedias
ER  -