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Lua i Stíl Chicago (17ú heag.)SpringerLink (Online service), Bernhard Hammerli, Dimitris Gritzalis, Stephen Wolthusen, agus Sandro Bologna. Critical Information Infrastructure Security: 6th International Workshop, CRITIS 2011, Lucerne, Switzerland, September 8-9, 2011, Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013.
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