AU  - WOODWARD,KATE
TI  - USBORNE SCIENCE ACTIVITIES: SCIENCE WITH LIGHT AND MIRRORS
T2  - USBORNE SCIENCE ACTIVITIES
SN  - 0746006969
U1  - 535/WOO 
PY  - 1991///
CY  - LONDON
PB  - USBORNE PUBLISHING LTD.
KW  - SCIENCE
KW  - LIGHT
KW  - MIRRORS
ER  -