TY  - BOOK
AU  - Pirazizy, A.A . .
TI  - Mountain enviroment understanding the change / 
SN  - 81-7024-563-X
U1  - U47g7 
PY  - 1993///
CY  - New Delhi : 
PB  - Ashish Publishing House , 
KW  - Enviroment- Mountain
ER  -