TY - JOUR T1 - On the Intensely Penetrating Rays of Radium JF - Proceedings of the Royal Society of London (1854-1905) VL - 72 SP - 208 EP - 210 PY - 1903/01/01/ UR - http://dx.doi.org/10.1098/rspl.1903.0041 M3 - doi:10.1098/rspl.1903.0041 AU - Strutt, R. ER -