TY  - BOOK
AU  - Subrahmanyam, N.
AU  - Lal, Brij.
TI  - Textbook Of Optics
SN  - 9.78812E+12
U1  - 535 
PY  - 1989///
CY  - New Delhi
PB  - S Chand
KW  - Optics
ER  -