TY  - BOOK
ED  - World Book,
TI  - Our earth
T2  - Childcraft : the how and why library
SN  - 9780716622642
U1  - 550 
PY  - 2011///
CY  - Chicago : 
PB  - World Book
KW  - Earth sciences
KW  - Juvenile literature
KW  - Earth (Planet)
N1  - Includes bibliographical references and indexes
ER  -