TY  - BOOK
AU  - DiSpezio, Michael 
TI  - Awesome experiments in light and sound
SN  - 9788172452506
U1  - 507.8 
PY  - 2012///
CY  - New Delhi : 
PB  - Goodwill Publishing House
KW  - Science
KW  - Experiments
N1  - Includes index
ER  -