1. Advisory Opinion on the Legality of the Threat or Use of Nuclear Weapons, [1966] ICJ Rep. 226, 266.
2. W. Verwey, The International Court of Justice and the Legality of Nuclear Weapons: Some Observations, in: K. Wellens (ed.), International Law: Theory and Practice, Essays in Honour of Eric Suy, 1998, pp. 751, 760.
3. For a detailed discussion with citation of sources, see Y. Dinstein, War, Aggression and Self-Defence, 3rd ed., 2001, pp. 140–147.
4. Advisory Opinion, supra n. 1, at. 257.
5. Protocol Additional to the Geneva Conventions of 12 August 1949, and Relating to the Protection of Victims of International Armed Conflicts (Protocol I), 1977, D. Schindler/J. Toman (eds.), The Laws of Armed Conflicts: A Collection of Conventions, Resolutions and Other Documents, 4th ed., 2004, pp. 711, 736.