TY - JOUR T1 - Note Supplementary to a Paper "On the Radio-Active Minerals" JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 76 IS - 510 SP - 312 EP - 312 PY - 1905/07/10/ UR - http://dx.doi.org/10.1098/rspa.1905.0030 M3 - doi:10.1098/rspa.1905.0030 AU - Strutt, R. ER -