Spatial Reference : Coordinates or textual descriptions or a codified name by which information can be related to a specific position or location on the earth's surface. (see also coordinate system)
CEDIM - Center for Disaster Management and Risk Reduction Technology, GFZ German Research Centre for Geosciences (Section 2.1 Earthquake Risk and Early Warning), CEDIM-Glossary (Terms and Definitions of Risk Sciences), Karlsruhe Institute of Technology (KIT), D-76128 Karlsruhe, Germany 2005. http: //www.cedim.de/download/glossar-gesamt-20050624.pd f, (Rsk Sci - Brit) {792}