TY - JOUR T1 - The Absorption Spectra of Lithium and Caesium JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 85 IS - 575 SP - 54 EP - 58 PY - 1911/03/14/ UR - http://dx.doi.org/10.1098/rspa.1911.0021 M3 - doi:10.1098/rspa.1911.0021 AU - Bevan, P. ER -