TY  - BOOK
AU  - SAWKINS FREDERICK Y OTROS
TI  - THE EARTH EVOLVING: A TEXT IN PHYSICAL GEOLOGY
T2  - 0
SN  - 0-02-406500-5
U1  - 525 
PY  - 1974///
CY  - U.S.A.
KW  - CIENCIAS PURAS
N1  - GEOLOGY/ATOMS/MINERALS/ROCKS
ER  -