TY - JOUR T1 - Note on the Effect of Extreme Cold on the Emanations of Radium JF - Proceedings of the Royal Society of London (1854-1905) VL - 72 SP - 69 EP - 71 PY - 1903/01/01/ UR - http://dx.doi.org/10.1098/rspl.1903.0018 M3 - doi:10.1098/rspl.1903.0018 AU - Crookes, W. AU - Dewar, J. ER -