TY - JOUR T1 - The Effect of Pressure upon Arc Spectra. No. 1. Iron JF - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934) VL - 208 SP - 111 EP - 162 PY - 1908/01/01/ UR - http://dx.doi.org/10.1098/rsta.1908.0016 M3 - doi:10.1098/rsta.1908.0016 AU - Duffield, W. ER -