TY  - BOOK
ED  - Educational Technologies Ltd
TI  - Illustrated encyclopedia of science and nature./ 
SN  - 9628851292; 9789628851294 ;9628851608 ;9789628851607
U1  - 23.48 19
PY  - 2004///
CY  - [Hong Kong] : 
PB  - Educational Technologies Ltd, 
KW  - Science ;  Science
ER  -