TY  - GEN
AU  - N. Subrahmanyyam
AU  - Brij lal
TI  - A Textbook of Optics
SN  - 8121926114
U1  - 535 22
PY  - 2010///
CY  - New Delhi
PB  - S. Chand
KW  - Optics
N1  - Physics
ER  -