TY  - BOOK
AU  - Lianko,Aurora A.
TI  - Introduction to Earth Science / 
SN  - 9715740359
U1  - 550 Circ.  
PY  - 2001///
CY  - Quezon City, Philippines: 
PB  - Katha Publishing Co., Inc.
KW  - Earth Science
N1  - Includes index and references
ER  -