TY - JOUR T1 - Helium and Argon. Part III. Experiments Which Show the Inactivity of These Elements JF - Proceedings of the Royal Society of London (1854-1905) VL - 60 SP - 53 EP - 56 PY - 1896/01/01/ UR - http://dx.doi.org/10.1098/rspl.1896.0015 M3 - doi:10.1098/rspl.1896.0015 AU - Ramsay, W. AU - Collie, J. ER -