TY - JOUR T1 - The Direct Production of Characteristic Rontgen Radiations by Cathode Particles JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 87 IS - 598 SP - 511 EP - 518 PY - 1912/12/13/ UR - http://dx.doi.org/10.1098/rspa.1912.0105 M3 - doi:10.1098/rspa.1912.0105 AU - Beatty, R. ER -