International Commission of Jurists (February 2006), "National Inquiries into allegations of secret CIA flights and detention centres", E-Bulletin on Counter-Terrorism and Human Rights(PDF), archived from the original(PDF) on 2008-02-27, retrieved 2008-04-28
"N.A.T.O. Gladio, and the strategy of tension". Chapter from "NATO's Secret Armies. Operation Gladio and Terrorism in Western Europe", by daniele Ganser. October 2005. Retrieved 2006-07-21.
International Commission of Jurists (February 2006), "National Inquiries into allegations of secret CIA flights and detention centres", E-Bulletin on Counter-Terrorism and Human Rights(PDF), archived from the original(PDF) on 2008-02-27, retrieved 2008-04-28