TY  - BOOK
AU  - Catchillar,Gerry C
AU  - Malenab,Ryan G.
TI  - Fundamentals of Earth science: a modular approach 
SN  - 971-08-6555-2
PY  - 2005///
CY  - Mandaluyong City
PB  - National Bookstore
KW  - Geology
KW  - Physical geography
KW  - Earth sciences
KW  - Study and teaching
KW  - Philippines
N1  - Includes bibliography, appendix and index
ER  -