TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Avadhanulu, M.N.
AU  - Brij Lal
TI  - A Textbook of optics
SN  - 8121926114
U1  - 535 
PY  - 2006///
CY  - New Delhi
PB  - S. Chand
KW  - Physical optics
ER  -