TY  - BOOK
TI  - Our earth
T2  - How and why junior
SN  - 9789380152103
AV  - QE 501 .Ou71 2011
PY  - 2011///
CY  - Manila
PB  - WS Pacific Publication
KW  - Earth (Planet)
KW  - Juvenile literature
N1  - Originally published: Nuremberg, Germany : Tessloff Verlag; Title from cover
ER  -