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2. Drumbl, Mark A. 2007. Atrocity punishment and international law. Cambridge: Cambridge University Press.
3. Ellis, Anthony. 2001. What shall we do with war criminals? In War crimes collective wrongdoing, ed. Aleksandar Jokić. Oxford: Blackwell.
4. Hart, H.L.A. 1968. Punishment and responsibility. Oxford: Oxford University Press.
5. International Criminal Court. 1998. Rome statute of the international criminal court 1999. London: Stationery Office.