TY  - GEN
AU  - Subrahmanyam, N
AU  - Lal, Brij
TI  - A textbook of optics     
SN  - 8121904676
U1  - 535 
PY  - 2002///
CY  - New Delhi
PB  - S.Chand
KW  - Optics
KW  - Physics
ER  -