Narrow search
Showing 11 - 20 of 33
Cover Image
Problems in futures research : Delphi and casual cross-impact analysis
Helmer, Olaf - In: Futures : the journal of policy, planning and futures … 9 (1977) 1, pp. 17-31
Persistent link: https://www.econbiz.de/10002762800
Cover Image
Prospects of technological progress
Helmer, Olaf - In: The futurists, (pp. 151-159). 1972
Persistent link: https://www.econbiz.de/10002762804
Cover Image
Simulating the values of the future
Helmer, Olaf - In: Values and the future : the impact of technological …, (pp. 193-214). 1969
Persistent link: https://www.econbiz.de/10002762807
Cover Image
The utility of long-term forecasting
Helmer, Olaf - In: Forecasting, (pp. 141-147). 1979
Persistent link: https://www.econbiz.de/10002762812
Cover Image
Looking forward : a guide to futures research
Helmer, Olaf - 1983
Persistent link: https://www.econbiz.de/10001663968
Cover Image
Report on a long-range forecasting study : [Tab.] ; [enth. Appendix]
Gordon, Theodore J.; Helmer, Olaf - 1964
Persistent link: https://www.econbiz.de/10000317688
Cover Image
Social technology
Helmer, Olaf - 1966
Persistent link: https://www.econbiz.de/10000566309
Cover Image
The Delphi method : techniques and applications
Linstone, Harold A. (ed.); Turoff, Murray (contributor);  … - 1975
Persistent link: https://www.econbiz.de/10000050439
Cover Image
50 Jahre Zukunft : Bericht über eine Langfrist-Vorhersage für die Welt der nächsten fünf Jahrzehnte
Helmer, Olaf - 1966
Persistent link: https://www.econbiz.de/10003625158
Cover Image
On the epistemology of the inexact sciences
Helmer, Olaf; Rescher, Nicholas - In: Management science : journal of the Institute for … 6 (1959), pp. 25-52
Persistent link: https://www.econbiz.de/10003575551