1. Propensity to change responses in a Delphi round as a function of dogmatism;Mulgrave,1975
2. Comparative Management and Economic Progress;Farmer,1965
3. Delphi Critique: Expert Opinion, Forecasting and Group Process;Sackman,1975
4. Scientific engineering or political critique?;Goldschmidt;Technological Forecasting and Social Change,1975
5. Goals—Delphi for urban planning: Concepts in their design;Skutsch;Socio-Economic Planning Science,1973