TY - JOUR T1 - An Electrical Method of Counting the Number of $ \alpha $-Particles from Radio-Active Substances JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 81 IS - 546 SP - 141 EP - 161 PY - 1908/08/27/ UR - http://dx.doi.org/10.1098/rspa.1908.0065 M3 - doi:10.1098/rspa.1908.0065 AU - Rutherford, E. AU - Geigerg, H. ER -