TY  - BOOK
AU  - Jarumayan,Germana A.
AU  - Sadili,Milagros V.
TI  - The changing earth
SN  - 9715740685
U1  - 525 
PY  - 2003///
CY  - Quezon City, Philippines
PB  - Katha Publishing Co., Inc.
KW  - Science
KW  - Earth
KW  - Philippines
N1  - includes bibliographical references
ER  -