TY  - BOOK
AU  - Chadha,S K  .
TI  - Himalayas : environmental problems / 
SN  - 8170243548
U1  - 577.55095496 
PY  - 1990///
CY  - New Delhi : 
PB  - Ashish Publishing House , 
KW  - ENVIRONMENTAL SCIENCE
N1  - Includes index
ER  -