1. U.S. Army. (2011). US Army Field Manual 3-28, Civil Support Operations. Washington, DC: Department of the Army.
2. Expanding the Spatial Data Infrastructure Knowledge Base;N.Budhathoki;Research and Theory in Advancing Spatial Data Infrastructure Concepts,2009
3. INSPIRE: An innovative approach to the development of spatial data infrastructures in Europe;M.Craglia;Research and Theory in Advancing Spatial Data Infrastructure Concepts,2007