TY  - BOOK
AU  - Subrahmanyam, N
AU  - Avadhanulu, M.N
AU  - Lal, Brij
TI  - Optics: For B.sc classes as per UGC Model syllabus
SN  - 9788121926119
U1  - 535 
PY  - 1996///
CY  - New Delhi
PB  - S.Chand
ER  -