TY  - BOOK
AU  - Lianko,Aurora A.
TI  - Introduction to Earth Science
SN  - 9715740359
PY  - 2001///
CY  - Philippines
PB  - Katha Publishing Co, Inc.
KW  - Earth sciences
KW  - c2001
KW  - Philippines
KW  - newsprint
KW  - sears
ER  -