TY  - BOOK
AU  - N. Subrahmanyam
AU  - Brij Lal
TI  - A Text Book of Optics
SN  - 8121904676
U1  - 105.23 
PY  - 2003///
CY  - New Delhi
PB  - S. Chand & Co.
KW  - BB Physics
ER  -