1. Essence of Decision: Explaining the Cuban Missile Crisis;Allison,1971
2. Long-Range Forecasting: From Crystal Ball to Computer;Armstrong,1978
3. The Seer-Sucker Theory: The value of experts in forecasting;Armstrong;Technology Review,1980
4. Forecasting: An Appraisal for Policy-Makers and Planners;Ascher,1978
5. Technological Forecasting and Long-Range Planning;Ayres,1969