TY  - BOOK
AU  - Subrahmanyam,N.
AU  - Lal,Brij
AU  - Avadhanulu,M.N.
TI  - A Textbook of Optics
SN  - 9788121926119
U1  - 535 
PY  - 2010///
CY  - New Delhi
PB  - S. Chand
ER  -