TY  - BOOK
AU  - Skinner,Brian J.
AU  - Porter,Stephen C.
TI  - The dynamic earth: an introduction to physical geology 
SN  - 0471531316
PY  - 1989///
CY  - New York
PB  - John Wiley & Sons Ltd
KW  - Physical geology
N1  - Includes bibliographical references and index; Open
ER  -