TY  - BOOK
AU  - Chhatwal, G.R.  .
TI  - Dictionary of environmental chemistry / 
SN  - 81-7041-298-6
U1  - E:(G:55)k 
PY  - 1987///
CY  - New Delhi : 
PB  - Anmol Publications , 
KW  - Environmental Chemistry- Dictionary
ER  -