The relative velocities of the alpha-particles from thorium X and its products and from radium C'
- 3 March 1933
- journal article
- Published by The Royal Society in Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character
- Vol. 139 (839), 638-659
- https://doi.org/10.1098/rspa.1933.0044