TY  - BOOK
AU  - PRESS Frank and Roymond Siever
AU  - Edited by Nicole Folchetti
TI  - Understanding Earth
SN  - 071673504
U1  - 550 PRE 
PY  - 2001///
CY  - New York
PB  - W.H.Freeman and Company
KW  - Earth Sciences
N1  - Includes index
ER  -