TY - JOUR T1 - Preliminary Note on the Compound Nature of the Line-Spectra of Elementary Bodies JF - Proceedings of the Royal Society of London (1854-1905) VL - 24 SP - 352 EP - 354 PY - 1875/01/01/ UR - http://dx.doi.org/10.1098/rspl.1875.0046 M3 - doi:10.1098/rspl.1875.0046 AU - Lockyer, J. ER -