1. Kalevi J. Holsti, Peace and War: Armed Conflicts and International Order 1648–1989 (Cambridge: Cambridge University Press, 1991), Table 11.1, pp. 274–8.
2. Evan Luard, War in International Society: A Study in International Sociology (London: Tauris, 1986)
3. Karin Lindgren, Birger Heidt, Kjell-Ake Nordquist and Peter Wallensteen, ‘Major Armed Conflicts in 1990’, SIPRI Yearbook 1991: World Armaments and Disarmament (Oxford: Oxford University Press, 1991), p. 345.
4. Ramses Amer, Birger Heidt, Signe Landgren, Kjell Magnusson, Erik Melander, Kjell-Ake Nordquist, Thomas Ohlson and Peter Wallensteen, ‘Major Armed Conflicts’, SIPRI Yearbook 1993: World Armaments and Disarmament (Oxford: Oxford University Press, 1993), p. 81.
5. K.J. Holsti, ‘International Theory and War in the Third World’, in Brian L. Job (ed.), The Insecurity Dilemma: National Security of Third World States (Boulder, CO: Lynne Rienner, 1992), p. 38.