TY  - BOOK
AU  - Chhatwal ,G.R..
TI  - Environmental analysis : Air,Water and Soil / 
SN  - 8170412293
U1  - 333.714 
PY  - 1989///(rep1993)
CY  - New Delhi : 
PB  - Anmol Publications , 
KW  - ENVIRONMENTAL IMPECT ANALYSIS
N1  - NULL
ER  -