TY  - GEN
AU  - Prentice Hall
TI  - Science explorer : : sound and light
T2  - N. carolina ed
SN  - 0131257870
U1  - 507 
PY  - 2005///
CY  - [S.l.]
PB  - Prentice Hall
KW  - Science-Study and teaching
N1  - Hardcover
ER  -