TY  - BOOK
AU  - Khanna, D R; Gulati, H R
TI  - Fundamentals of optics
U1  - 535 KHA-F8 22
PY  - 1979///
CY  - 
PB  - R Chand & Co., New Delhi
KW  - Light & paraphotic phenomena (Optics); Physics
ER  -