TY - JOUR T1 - On the Spectrum of Boron JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 86 IS - 583 SP - 36 EP - 41 PY - 1911/12/22/ UR - http://dx.doi.org/10.1098/rspa.1911.0078 M3 - doi:10.1098/rspa.1911.0078 AU - Crookes, W. ER -