TY  - BOOK
AU  - Morton,Roger D.
AU  - Skinner,Brian J.
AU  - Porter,Stephen C.
TI  - The dynamic earth: an introduction to physical geology 
SN  - 0471105643
U1  - ST 550 
PY  - 1195///
CY  - USA
PB  - John Wiley & Sons, Inc.
N1  - 500-599
ER  -