TY  - BOOK
AU  - Barthwal,R.R, x
AU  - x
TI  - Environmental impect assessment: x
SN  - 8122413579  
U1  - 577.14/B284e 
PY  - 2002///
CY  - New Delhi
PB  - New age pub.
KW  - Environmental impect
KW  - Environment
ER  -