1. Arsanjani J, Zipf A, Mooney P, Helbich M (eds) (2015) OpenStreetMap in GIScience, experiences, research, and applications. Springer International Publishing, Switzerland, pp 1–15
2. Campbell H (2016) The coordinated data scramble for humanitarian emergency response, https://www.youtube.com/watch?v=HmsF743VRX0
3. Cetl V, Tóth K, Abramić A, Smits P (2013) Report on the status of INSPIRE in the Balkan countries. EU Joint Research Centre. http://inspire.ec.europa.eu/documents/INSPIRE_/JRC86293_2013_Report_NSDI_Balkan.pdf
4. COBACORE deliverable D1.1, Scope and Requirements (2014): URL = http://cobacore.eu/vde/cobacore-innovation-station/progress-so-far/public-deliverables/D1.1 , Scope and Requirements (15 October 2014)
5. EU (2015) Bulgaria 2015 Peer review report, EU cooperation on civil protection and DRM