TY - JOUR T1 - The Arc Spectrum of Scandium and Its Relation to Celestial Spectra JF - Proceedings of the Royal Society of London (1854-1905) VL - 74 SP - 538 EP - 545 PY - 1904/01/01/ UR - http://dx.doi.org/10.1098/rspl.1904.0151 M3 - doi:10.1098/rspl.1904.0151 AU - Lockyer, N. AU - Baxandall, F. ER -