Serpelloni, Enrico, et al. “GPS Observations of Coseismic Deformation Following the May 20 and 29, 2012, Emilia Seismic Events (northern Italy): Data, Analysis and Preliminary Models”. Annals of Geophysics, vol. 55, no. 4, Oct. 2012, https://doi.org/10.4401/ag-6168.