TY  - BOOK
AU  - N. Subrahmanyam ( PR )
AU  - Brij Lal
TI  - A Text Book of Optics ( PR )
SN  - 8121904676
U1  - 105.23 
PY  - 2002///
CY  - New Delhi
PB  - S.Chand & Co.
KW  - Physics
ER  -