%0 Journal Article %T Methods for the robust computation of the long-period seismic spectrum of broad-band arrays %A Caton, Ross, C %A Pavlis, Gary, L %A Thomson, David, J %A Vernon, Frank, L %J Geophysical Journal International %V 222 %N 3 %@ 0956-540X %D 2020-09-01 %I The Royal Astronomical Society %~ DeepDyve