TY - JOUR T1 - On the Spectroscopic Examination of Colour Produced by Simultaneous Contrast JF - Proceedings of the Royal Society of London (1854-1905) VL - 67 SP - 226 EP - 228 PY - 1900/01/01/ UR - http://dx.doi.org/10.1098/rspl.1900.0023 M3 - doi:10.1098/rspl.1900.0023 AU - Burch, G. ER -