TY  - BOOK
AU  - Marshak,Stephen
TI  - Earth: : portrait of a planet
SN  - 9780393938173
U1  - 550 23
PY  - 2015///]
CY  - New York
PB  - W.W. Norton & Company
KW  - Geology
KW  - Textbooks
N1  - Includes bibliographical references and index
ER  -