TY - JOUR T1 - A New Band Spectrum Associated with Helium JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 89 IS - 608 SP - 146 EP - 149 PY - 1913/08/19/ UR - http://dx.doi.org/10.1098/rspa.1913.0073 M3 - doi:10.1098/rspa.1913.0073 AU - Curtis, W. ER -