1. See Chan, Steve, ‘The Intelligence of Stupidity: Understanding Failures in Strategic Warning’, American Political Science Review LXXIII, no. 1 (March 1979), p. 173.
2. See Betts, Richard K., ‘Analysis, War, and Decision: Why Intelligence Failures are Inevitable’, World Politics XXXI, no. 1 (October 1978), pp. 67–73, 85–87.
3. Belden, Thomas G., ‘Indications, Warning, and Crisis Operations’, International Studies Quarterly XXI, no. 1 (March 1977), pp. 192–193.
4. Aspin, Les, ‘Intelligence Performance on the China-Vietnam Border’, press release (26 March 1979).
5. Freedman, Lawrence, US Intelligence and the Soviet Strategic Threat (Boulder, Westview Press 1977), p. 46.