TY - JOUR T1 - A Spectroscopic Investigation of the Ionisation of Argon by Electron Collisions JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 102 IS - 715 SP - 131 EP - 150 PY - 1922/11/01/ UR - http://dx.doi.org/10.1098/rspa.1922.0076 M3 - doi:10.1098/rspa.1922.0076 AU - Horton, F. AU - Davies, A. ER -