TY  - BOOK
AU  - Skinner,Brian J.
AU  - Porter,Stephen C.
TI  - Physical geology / 
SN  - 0471056685
U1  - 551 
PY  - 1987///
CY  - New York : 
PB  - John Wiley , 
KW  - PHYSICAL GEOLOGY
N1  - Includes bibliographical references, glossary and index
ER  -