TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Subrahmanyam, N.
ED  - Brij Lal and M.N. Avadhanulu.
ED  - Brij Lal and M.N. Avadhanulu.
TI  - A text book of optics
SN  - 81-219-2611-4
U1  - 535 SUT 22
PY  - 2010///
CY  - New Delhi
PB  - S.Chand and Company.
KW  -  
KW  - Optics
ER  -