TY  - BOOK
AU  - Frank,Press
AU  -  Siever Raymond
TI  - Understanding earth
SN  - 0-716728362
AV  - ARC QE28.P9 
PY  - 1994///
CY  - New York
PB  - : W.W Freeman and Company
KW  - Mineralogy
N1  - Includes bibliographies and index
ER  -