TY - JOUR T1 - Bakerian Lecture. A Study of the Line Spectrum of Sodium as Excited by Fluorescence JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 96 IS - 677 SP - 272 EP - 286 PY - 1919/11/01/ UR - http://dx.doi.org/10.1098/rspa.1919.0054 M3 - doi:10.1098/rspa.1919.0054 AU - Strutt, R. ER -