1. Aniszczyk, C. (2010). Eclipse IDE project resources. Retrieved October 31, 2010, from http://www.ibm.com/developerworks/opensource/top-projects/eclipse/eclipse-starthere.html
2. Annan, K. A. (2006). Foreword to the global survey of early warning systems. In Proceedings of the Third International Conference on Global Survey of Early Warning Systems, Bonn, Germany.
3. Armbrust, M., Fox, A., Griffith, R., Joseph, A. D., Katz, R. H., & Konwinski, A. …Zaharia, M. (2009). Above the clouds: A Berkeley view of cloud computing. Retrieved December 27, 2011, from http://www.eecs.berkeley.edu/Pubs/TechRpts/2009/EECS-2009-28.html
4. Avraam, M. (2009). Geoweb: Web mapping and web GIS. Retrieved November 3, 2010, from http://michalisavraam.org/2009/03/geoweb-web-mapping-and-web-gis/