TY - JOUR T1 - On the Identity of Spectral Lines of Different Elements JF - Proceedings of the Royal Society of London (1854-1905) VL - 32 SP - 225 EP - 231 PY - 1881/01/01/ UR - http://dx.doi.org/10.1098/rspl.1881.0024 M3 - doi:10.1098/rspl.1881.0024 AU - Liveing, G. AU - Dewar, J. ER -