TY  - BOOK
AU  - Lianko, Aurora A.
TI  - Introduction to earth science
SN  - 971-574-035-9
AV  - QA 26.2 L52 2001 F 
PY  - 2001///
CY  - Quezon City
PB  - Katha Publishing Co., Inc.
KW  -  Earth sciences
N1  - Includes glossary, references and index
ER  -