TY  - BOOK
AU  - Khanna,D.R
AU  - Gulati
TI  - Fundamentals of Optics
SN  - 241
U1  - 535 
PY  - 1998///
PB  - R Chand and Co.Ltd.New Delhi
KW  - Light and paraphotic phenomena/Optics
N1  - BBM
ER  -