TY - JOUR T1 - The Fluctuation in the Ionisation due to $ \gamma $- Rays JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 89 IS - 607 SP - 45 EP - 57 PY - 1913/08/01/ UR - http://dx.doi.org/10.1098/rspa.1913.0062 M3 - doi:10.1098/rspa.1913.0062 AU - Burbidge, P. AU - Scholar, J. ER -