TY  - BOOK
AU  - Bisht, L.P.  .
TI  - Introduction to environmental geology / 
SN  - 978-81-261-5303-9
U1  - H:(G:55) 
PY  - 2013///
CY  - New Delhi : 
PB  - Anmol Publications , 
KW  - Geology- Environmental
ER  -