TY - JOUR T1 - Energy of Rontgen and Becquerel Rays, and the Energy Required to Produce an Ion in Gases JF - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934) VL - 196 SP - 25 EP - 59 PY - 1901/01/01/ UR - http://dx.doi.org/10.1098/rsta.1901.0002 M3 - doi:10.1098/rsta.1901.0002 AU - Rutherford, E. AU - McClung, R. ER -