Pesci, A., Loddo, F., Teza, G., Cenni, N. and Casula, G. 2008. Analyzing Virtual Reference Station for GPS surveying: experiments and applications in a test site of the northern Apennine (Italy). Annals of Geophysics. 51, 4 (Dec. 2008), 619–631. DOI:https://doi.org/10.4401/ag-4458.