TY  - BOOK
AU  - Subramanyam, N
AU  - Brij Lal
TI  - Textbook of optics
SN  - 9788121904674
U1  - 535 
PY  - 1999///
CY  - New Delhi
PB  - S. Chand and company Ltd.
KW  - Optics
KW  - Physics
ER  -