TY  - BOOK
AU  - SOBTI, G.S.
AU  - KUMAR, NARINDER
TI  - Physical optics
SN  - 81-7096-044-4
U1  - PHY 535.2 
PY  - 1983///
CY  - New Delhi
PB  - Kalyani
KW  - OPTICS
ER  -