TY - JOUR T1 - The Reflection of X-rays by Crystals. (II.) JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 89 IS - 610 SP - 246 EP - 248 PY - 1913/09/22/ UR - http://dx.doi.org/10.1098/rspa.1913.0082 M3 - doi:10.1098/rspa.1913.0082 AU - Bragg, W. ER -