TY  - BOOK
AU  - Khanna, D.R
AU  - Gulati, H.R.
TI  - Fundamentals of optics
U1  - 535.2 
PY  - 1998///
CY  - New Delhi
PB  - R. Chand and Co.
KW  - Electronics & Communication Engg
KW  - Physics
ER  -