TY - JOUR T1 - On Harmonic Ratios in the Spectra of Gases JF - Proceedings of the Royal Society of London (1854-1905) VL - 31 SP - 337 EP - 347 PY - 1880/01/01/ UR - http://dx.doi.org/10.1098/rspl.1880.0046 M3 - doi:10.1098/rspl.1880.0046 AU - Schuster, A. ER -