TY  - BOOK
AU  - Brown, D.R.  .
TI  - Problems in optics (waves and oscillations) / 
SN  - 81-7625-454-1
U1  - C5 
PY  - 2004///
CY  - New Delhi : 
PB  - Sarup & Sons , 
KW  - Waves
ER  -