TY  - BOOK
AU  - Jarumayan, Germana A.
TI  - The Changing earth
SN  - 971-574-068-5
AV  - FIL QE 26.3  
CY  - Quezon City
KW  - Earth sciences -- Study and teaching
KW  - Earth sciences
N1  - Includes bibliographical references
ER  -