TY - JOUR T1 - Polarisation in Secondary Rontgen Radiation JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 77 IS - 516 SP - 247 EP - 255 PY - 1906/03/06/ UR - http://dx.doi.org/10.1098/rspa.1906.0021 M3 - doi:10.1098/rspa.1906.0021 AU - Barkla, C. ER -