TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Lal, Brij.
TI  - A textbook of optics
SN  - 8121904676 ;9788121904674
U1  - 535 
PY  - 1995///
CY  - New Delhi
PB  - S & Chand
KW  - Optics
ER  -