TY  - BOOK
AU  - Marshak,Stephen
TI  - Earth: Portrait of a Planet 
SN  - 9780393111378
U1  - 525 23
PY  - 2008///
CY  - New York
PB  - W.W. Norton
KW  - Geology
KW  - Textbooks
N1  - Includes bibliographical references and index
ER  -