TY  - BOOK
AU  - Skinner,Brian J.
AU  - Porter,Stephen C.
AU  - Botkin,Daniel B.
TI  - The blue planet: an introduction to earth system science 
SN  - 0471161144
AV  - QB631 .S37 1999
PY  - 1999///]
CY  - New York
PB  - J. Wiley
KW  - Earth sciences
KW  - Earth (Planet)
N1  - Includes index
ER  -