“Terrorist Attacks, 2012” raster map overlay. Data analysis performed for the National Consortium for the Study of Terrorism and Responses to Terrorism at the University of Maryland. (2013). Despite fewer attacks in Western world, global terrorism increasing. START News Release, 19 December. Found at: http://www.start.umd.edu/news/despite-fewer-attacks-western-world-global-terrorism-increasing.
Alex Eddy 