Ding, H. and Shen, W.-B. 2014. Determination of the complex frequencies for the normal modes below 1mHz after the 2010 Maule and 2011 Tohoku earthquakes. Annals of Geophysics. 56, 5 (Jan. 2014), S0563. DOI:https://doi.org/10.4401/ag-6400.