TY - JOUR T1 - On the Sequence of Chemical Forms in Stellar Spectra JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 84 IS - 572 SP - 426 EP - 432 PY - 1910/12/15/ UR - http://dx.doi.org/10.1098/rspa.1910.0089 M3 - doi:10.1098/rspa.1910.0089 AU - Lockyer, N. ER -