TY  - BOOK
AU  - Marshak,Stephen
TI  - Earth : : portrait of a planet / 
SN  - 9780393935189 (pbk.)
U1  - 550 23
PY  - 2012///
CY  - New York
PB  - W. W. Norton
KW  - Geology
KW  - Textbooks
N1  - Includes bibliographical references and index
ER  -