TY  - BOOK
AU  - Subrahmanyam, N
AU  - Lal, Brij
AU  - Avadhanulu, M.N
TI  - A text book of Optics
SN  - 8121926114
U1  - 535 
PY  - 2006///
CY  - New Delhi
PB  - S. Chand & Co. Ltd.
ER  -