TY  - BOOK
AU  - Llewellyn,Claire
TI  - Our planet earth
T2  - First encyclopedia
SN  - 1843010291
U1  - 550 23
PY  - 2002///
CY  - London : 
PB  - Two-Can Publishing , 
KW  - Earth sciences
N1  - Includes index
ER  -