Avallone, Antonio, Giulio Selvaggi, Elisabetta D'Anastasio, Nicola D'Agostino, Grazia Pietrantonio, Federica Riguzzi, Enrico Serpelloni, et al. 2010. “The RING Network: Improvement of a GPS Velocity Field in the Central Mediterranean”. Annals of Geophysics 53 (2): 39-54. https://doi.org/10.4401/ag-4549.