TY  - BOOK
AU  - Roger,Kristeen
AU  - Howell,Laura
TI  - The Usborne internet-linked library of science. Light, sound & electricity
SN  - 0439441471
U1  - 530 
PY  - 2001///
CY  - New York
PB  - Scholastic, 
KW  - Sound
KW  - Electricity
KW  - Light
KW  - Power resources
KW  - Technology
ER  -