TY  - BOOK
AU  - Lianko,Aurora A.PhD.
TI  - Introduction to Earth Science
SN  - 9715740359
U1  - 550 L62 
PY  - 2001///
CY  - Quezon City
PB  - Katha Publishing House, Inc, 
KW  - Earth sciences
N1  - Index
ER  -