TY - JOUR T1 - The Spectrum of Halley's Comet JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 84 IS - 573 SP - 523 EP - 526 PY - 1911/01/26/ UR - http://dx.doi.org/10.1098/rspa.1911.0004 M3 - doi:10.1098/rspa.1911.0004 AU - Butler, C. ER -