1. Forecasts of exploding technologies by trend extrapolation;Lenz,1968
2. The value of technological forecasting for the research and development manager;Cetron;Futures,1968
3. The most probable world;Chase,1968
4. Report on a long-range forecasting study, report no. P-2982;Gordon,1964
5. A methodological study of the utilisation of experts in business forecasting, doctoral dissertation;Campbell,1966