1. Craglia M, Annoni A, Smith RS, Smits P (2002) Spatial Data Infrastructures: Country Reports-GINIE-EUR 20428 EN http://wwwlmu.jrc.it/ginie/doc/SDI_final_en.pdf
2. Craglia M, Annoni A, Klopfer M, Corbin C, Pichler G, Smits P (2003) GINIE Book: Geographic Information in the Wider Europe. GINIE http://wwwlmu.jrc.it/ginie/doc/ginie_book.pdf
3. European Commission (2003) “INSPIRE State of Play Reports-Spatial Data Infrastructures in Europe: State of play 2002”, http://inspire.jrc.it/state_of_play.cfm
4. European Commission (2003) “INSPIRE State of Play Reports-Spatial Data Infrastructures in Europe: State of play 2002”, http://inspire.jrc.it/state_of_play.cfm
5. European Commission (2004) Proposal for a Directive “establishing an infrastructure for spatial information in the Community (INSPIRE)” COM(2004) 516 final. (http://inspire.jrc.it)