TY  - BOOK
AU  - Lianko, Aurora A.
TI  - Introduction to earth science
SN  - 9715740359
PY  - 2001///
CY  - Quezon City
PB  - Katha Publishing Company, Incorporated
KW  - Earth science
KW  - sears
N1  - Includes bibliographical references and index
ER  -