TY  - BOOK
AU  - Valdiya K S Ed.
AU  -  Tewari V C Ed.
TI  - Himalayan geology
U1  - H.4g7Hun1,N71, M9 
PY  - 1989///
CY  - Dehradun
PB  - Wadia institute of himalayan geology     
KW  -  Himalayan geology
KW  - Geology
ER  -