TY  - BOOK
AU  - PORTER, Stephen C.
AU  - SKINNER, Brian J.
TI  - DYNAMIC EARTH : AN INTRODUCTION TO PHYSICAL GEOLOGY
SN  - 0 471 59549 7
U1  - 550 
PY  - 1995///
CY  - LONDON
PB  - John Willey and Sons Inc., London 
ER  -