TY  - BOOK
AU  - Marshak,Stephen
TI  - Essentials of geology
SN  - 0393928152 (pbk.)
AV  - QE28 .M3415 2007
PY  - 2007///
CY  - New York
PB  - W.W. Norton
KW  - Geology
KW  - Textbooks
N1  - Includes bibliographical references and index
ER  -