TY  - BOOK
AU  - Subrahmanyam,N.
AU  - Lal,Brij
AU  - AVADHANULU,M.N.
TI  - A TEXTBOOK OF OPTICS
SN  - 9788121926114
U1  - 533.2 
PY  - 2009///
CY  - New Delhi
PB  - S.Chand
ER  -