TY  - BOOK
ED  - national geographic society
TI  - Earth & Physical Sciences / 
SN  - 78239788
U1  - R/530.03/EAR 
PY  - 2001///
CY  - new york
PB  - Mcgraw - hill
KW  - PHISICS
KW  - SCIENCES
KW  - EARTH
ER  -