TY  - BOOK
AU  - Ghatak, Ajoy Pathak, Anirban Sharma, V. P. 
TI  - Light and its many wonders
U1  - 535 LIG 
PY  - 2015///
CY  - New Delhi
PB  - Viva Books
N1  - Includes bibliographical refrences 
ER  -