1. An experimental application of the Delphi method to the use of experts;Dalkey;Manage. Sci.,1963
2. The Delphi method: an experimental study of group opinion;Dalkey;Rand Rep.,1969
3. The Delphi method, II: structure of experiments;Brown;Rand Rep.,1969
4. The Delphi method, III: use of self-ratings to improve group estimates;Dalkey;Rand Rep.,1969
5. The Delphi method, IV: effect of percentile feedback and feed-in of relevant facts;Dalkey;Rand Rep.,1970