TY - JOUR T1 - On the Spectra of Argon JF - Philosophical Transactions of the Royal Society of London. A (1887-1895) VL - 186 SP - 243 EP - 251 PY - 1895/01/01/ UR - http://dx.doi.org/10.1098/rsta.1895.0007 M3 - doi:10.1098/rsta.1895.0007 AU - Crookes, W. ER -