TY  - BOOK
TI  - Planet earth
SN  - 962-8824-02-3
U1  - Ref. 550.2 P712 2005 
PY  - 2005///
CY  - [s.l.]
PB  - Educational Technologies Ltd.
KW  - Earth
KW  - Miscellanea
N1  - Includes index
ER  -