TY  - BOOK
AU  - Gonzaga- dela Cruz,Rowena
TI  - Introduction to Earth Science
SN  - 971-821-059-8
PY  - 2004///
CY  - Valenzuela City
PB  - Mutya Publishing House
KW  - Earth Sciences
KW  - Study and teaching
KW  - Philippines
N1  - Includes bibliography
ER  -