1. Amelung F, Dobson C, Fernandes R, Cocco M, Aoki Y, D'Agostino N, ... Neilan R (2012, 4 17) A Europe-Japan-United States GNSS data-sharing pilot project for the Geohazard Supersites and Natural Laboratories. Retrieved 5 17, 2016, from
http://supersites.earthobservations.org/data_sharing_GNSS_pilot_version1_17April2012.pdf
2. Bigagli L, Nativi S, Mazzetti P (2006) Mediation to deal with information heterogeneity - application to Earth System Science. Adv Geosci 8:3–9. doi:
10.5194/adgeo-8-3-2006
3. CNR-IIA (2014) GI-suite Brokering Framework. Retrieved 12 17, 2016, from
http://www.uos-firenze.essi-lab.eu/#!gi-suite/c3ak
4. EPOS (2016) What is EPOS. Retrieved 5 16, 2016, from
https://www.epos-ip.org/about/what-epos
5. ESA (2014) About the TEP initiative. Retrieved 5 16, 2016, from
https://tep.eo.esa.int/about-tep