TY  - BOOK
AU  - Das Gupta,A.B.
AU  - Biswas,A.K.
ED  - Geological Society of India.
TI  - Geology of Assam
SN  - 8185867445
U1  - 555.4162 
PY  - 2000///
CY  - Bangalore
PB  - Geological Society of India
KW  - Geology
N1  - Five folded maps in a pocket
ER  -