TY - JOUR T1 - An Active Modification of Nitrogen. VII JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 92 IS - 642 SP - 438 EP - 450 PY - 1916/07/01/ UR - http://dx.doi.org/10.1098/rspa.1916.0029 M3 - doi:10.1098/rspa.1916.0029 AU - Strutt, R. ER -