TY - JOUR T1 - Some Notes on Krypton and Xenon JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 97 IS - 686 SP - 349 EP - 354 PY - 1920/07/01/ UR - http://dx.doi.org/10.1098/rspa.1920.0038 M3 - doi:10.1098/rspa.1920.0038 AU - Collie, J. ER -