TY  - BOOK
AU  - N.Subrahamanyam & Brjlal
AU  - N.Subrahamanyam & Brjlal
TI  - A Text Book of Optics
SN  - 81-219-2611-4
U1  - 535SUT 
PY  - 1966///
CY  - New Delhi
PB  - S. Chand
KW  - E E E
KW  - science
ER  -