TY  - BOOK
AU  - R C, Gupta
TI  - Elements of Opitics
U1  - 535.2 
PY  - 1960///
CY  - Delhi
PB  - S Chand & Company
KW  - General Stack
KW  - LIGHT AND INFRARED AND ULTRAVIOLET PHENOMENA
KW  - OPTICS
KW  - Physics
ER  -