TY  - BOOK
AU  - Michael DiSpezio
TI  - Awesome experiments in light & sound / 
SN  - 9788172452506
U1  - 500 
PY  - 0000///--
CY  - New Delhi, India
PB  - Goodwill Publishing House , 
KW  - Science
KW  - Light and sound .
N1  - includes index.; Catch the rays -- rainbow tray -- Cliff-hanger -- Compact colors
ER  -