TY  - BOOK
AU  - Catchillar, Gerry C.
AU  - Malenab, Ryan G.
TI  - Fundamentals of earth science (a modular approach)
SN  - 971-08-6555-2
U1  - GR 550.07 C281 2005 
PY  - 2005///
CY  - Mandaluyong City
PB  - National Book Store
KW  - Earth sciences- Study and teaching
N1  - Includes bibliographical references and index
ER  -