TY  - BOOK
AU  - Negi, Sharad Singh.
TI  - Environmental Problems in the Himalaya / 
U1  - H36.4497(G:55) 
PY  - 1997///
CY  - Dehra Dun-249001 : 
PB  - Bishen Singh Mahendra Pal Singh , 
KW  - Geology <Himalaya>
ER  -