TY - JOUR T1 - A Theory of Colour Vision JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 92 IS - 642 SP - 424 EP - 432 PY - 1916/07/01/ UR - http://dx.doi.org/10.1098/rspa.1916.0027 M3 - doi:10.1098/rspa.1916.0027 AU - Houstoun, R. ER -