TY  - JOUR
T1  - On the Estimation of the Luminosity of Coloured Surfaces Used for Colour Discs
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 67
SP  - 118
EP  - 122
PY  - 1900/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1900.0007
M3  - doi:10.1098/rspl.1900.0007
AU  - Abney, W.
ER  -