TY  - BOOK
AU  - N.Subrahmanyam
AU  -  Brij Lal
TI  - A Text Book of Optics (2)
SN  - 8121904676
U1  - 530.1 
PY  - 2004///
CY  - NEW DELHI
PB  - S. Chand
KW  - Physics
N1  - Quantity Number:  2
ER  -