TY  - BOOK
AU  - Subrahmanyam, N., Lal, Brij
TI  - A Textbook of Optics 
SN  - 9788121926119
PY  - 1966///
CY  - New Delhi
PB  - S. Chand & Company Pvt. Ltd.
KW  -  
KW  - Physics
ER  -