TY  - BOOK
ED  - EDUCATIIONAL TECHNOLOGIES LIMITED	
TI  - Illustrated encyclopedia of science and nature : : series index 
SN  - 0-7835-2966-x
U1  - GR. 503 I29 2005 
PY  - 2004///
CY  - [S. l.]
PB  -  Educational Technologies Limited, 
KW  - Bibliography
KW  - Indexes
ER  -