1. RAND Report P-2982 (Sept.1964) Report on a Long-Range Forecasting Study by Ted Gordon and Olaf Helmer. (For a sample of the results described in this report, see Linstone (1999), pp. 286-287.}
2. The design of a policy Delphi;Turoff;Technological Forecasting Social Change,1970
3. Delphi conferencing: computer-based conferencing with anonymity;Turoff;Technological Forecasting Social Change,1971
4. The Delphi method: techniques and applications,1975
5. A dynamic Delphi process utilizing a modified Thurstone scaling method: collaborative judgment in emergency response;White,2007