TY  - BOOK
AU  - SUBRAHMANYAM , N .
AU  - LAL , BRIJ .
TI  - A TEXT BOOK OF OPTICS 
U1  - 535 SUB 
PY  - 2009///
CY  - NEW DELHI
PB  - S.CHAND & COMPANY
KW  - Light &infIared & ultraviolet phenomena
ER  -