TY  - BOOK
AU  - 
TI  - How and why: light and colour 
SN  - 9789380152691
U1  - 372.35/Er19 23
PY  - 2009///
CY  - New Delhi, India
PB  - Tessloff Sterling Publishers Pvt. Ltd.
KW  - Light - Juvenile literature
KW  - Color - Juvenile literature
N1  - Includes index; GS
ER  -