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‘My Bookmarks | University College London’. N.p., n.d. Web. <http://readinglists.ucl.ac.uk/users/68FBE472-1695-6D06-25E8-F8CE72594AC2/bookmarks.html>.
‘Online Cryptanalysis Teaching and Software Resources’. N.p., n.d. Web. <http://blog.bettercrypto.com/?page_id=1368>.
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