TY  - BOOK
AU  - Chattopadhyay, Deepanwita.
TI  - Light
SN  - 8171810314
U1  - 535 CHA 
PY  - 1993///
CY  - New Delhi
PB  - Learners press
KW  - Light
KW  - Juvenile literature.
KW  - Experiments
KW  - Juvenile literature
N1  - Includes index
ER  -