TY  - BOOK
AU  - Steers, J A
TI  - Unstable earth
SN  - 8170961311
U1  - 910.155141 G7;3 
PY  - 1947///
CY  - New Delhi
PB  - Kalyani Publishers
KW  - Geology, Strucltural
KW  - Earth movements
KW  - Earth - Surface
ER  -