TY  - BOOK
AU  - Mishra, Ravi , ed.
TI  - Geological environmental
SN  - 81-261-1100-3
U1  - 628.03 
PY  - 2002///
CY  - New Delhi
PB  - Anmol
KW  - Env. science-Encyclopedia
N1  - UBH
ER  -