TY  - BOOK
AU  - Subrahmanyam N.
AU  - LalB.AvadhanuluM.N.
ED  - Subrahmanyam N.; Lal B. & Avadhanulu M.N.
TI  - Textbook Of Optics
U1  - 535 
PY  - 2009///
PB  - S. Chand & Company
ER  -