TY - JOUR T1 - On the Effect of Asymmetry on Wave-Length Determinations JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 98 IS - 691 SP - 261 EP - 263 PY - 1920/12/03/ UR - http://dx.doi.org/10.1098/rspa.1920.0070 M3 - doi:10.1098/rspa.1920.0070 AU - Nicholson, J. AU - Merton, T. ER -