TY - JOUR T1 - The Colour Sensations in Terms of Luminosity JF - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934) VL - 193 SP - 259 EP - 287 PY - 1900/01/01/ UR - http://dx.doi.org/10.1098/rsta.1900.0008 M3 - doi:10.1098/rsta.1900.0008 AU - de W. Abney, W. ER -