TY  - BOOK
AU  - N. Subrahmanyam, Brij Lal and M.N. Avadhanulu 
TI  - A Textbook Of Optics
SN  - 9788121926119
U1  - 535.2 SUB- A 
PY  - 2018///
CY  - New Delhi
PB  - S. Chand
KW  - Optics
KW  - Physics
ER  -