TY  - BOOK
AU  - Polytechnic
AU  - 
TI  - Proceedings
U1  - 535(082.2) 
PY  - 1967///
CY  - New York
PB  - March
KW  - Light
KW  - Photometry
KW  - Optics
KW  - Colour
KW  - Optical storage devices
KW  - Spectrum analysis
KW  - Phosphoresence
KW  - Spectroscopy
KW  - Physics
ER  -