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3: Forgotten History, 2003, http://www.lossless-audio.com/usa/index0.php?page=1247837097.htm, accessed on 16th December 2004
4: Philip Willan, Terrorists 'helped by CIA' to stop rise of left in Italy, 2001, http://www.guardian.co.uk/international/story/0,3604,462976,00.html, accessed on 16th December 2004