TY  - BOOK
AU  - Vasudeva, D N; Soni, M L
TI  - Textbook of light
U1  - 535 VAS-T 22
PY  - 1981///
CY  - 
PB  - Atma Ram & Sons, New Delhi
KW  - Light & paraphotic phenomena (Optics); Physics
ER  -