TY  - BOOK
AU  - Spencer, Edgar Winston .
TI  - Basic Concepts of Physical Geology
U1  - 550 
PY  - 1962///
CY  - New Delhi
PB  - Oxford & IBH Publishing Co.Pvt. Ltd.
KW  - Geology
KW  - Geology-Physical
KW  - G-Geology
N1  - Index
ER  -