TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Bri Lal
AU  - Avadhanulu, M.N.
TI  - A textbook of optics for B.Sc. classes as per UGC model syllabus
SN  - 9788121926119
U1  - 535 
PY  - 2014///(repr.)
CY  - New Delhi
PB  - S. Chand
ER  -