(2003) "Commercial Radioactive Sources: Surveying the Security Risks", Monterey Institute of International Studies, Center for Nonproliferation Studies, Occasional Paper #11, ISBN 1-885350-06-6, Webpage with PDF file of paper.
* Adam Curtis's The Power of Nightmares, Part III – Video/Transcript at Information Clearing House* Ferguson, C.D., Kazi, T. and Perera J.