TY  - BOOK
AU  - Sharma M L
AU  -  Singh Vir Ed.
TI  - Mountain ecosystems:  A scenario of unsustainabilit   
SN  - 8173870810
U1  - U212:(G:5).297.N9, N8 
PY  - 1998///
CY  -  New Delhi 
PB  - Indus Publishing        
KW  -  Geography
KW  - Mountain
ER  -