TY  - BOOK
AU  - Lianko, Aurora A.
TI  - Introduction to earth science
SN  - 9715740359
U1  - DFil 550 2001
PY  - 2001///
CY  - Quezon City
PB  - Katha Publishing Co.,Inc., 
KW  - Earth science
N1  - Includes glossary, bibliographical references and index
ER  -