TY  - BOOK
AU  - CHERNICOFF,STANLEY
TI  - ESSENTIALS OF GEOLOGY / 
U1  - 551 
PY  - 1997///
CY  - [S.N] : 
PB  - WORTH PUBLISHERS ، 
KW  - EARTHQUAKES
KW  - GEOLOGY
KW  - ROCKS
KW  - VOLCANO
KW  - EARTH SCIENCES
ER  -