TY  - BOOK
AU  - Skinner,Brian J.
AU  - Porter,Stephen C.
TI  - The dynamic earth: an introduction to physical geology 
T2  - Student's companion
SN  - 0-471-10564-3
AV  - QE28.2 S55 1995a
PY  - 1995///]
CY  - New York
PB  - J. Wiley
KW  - Geología física
ER  -