Futures

Xehetasun bibliografikoak
Beste egile batzuk:	Allison, Graham, Graubard, Stephen R. (ed.)
Formatua:	Liburua
Argitaratua:	Cambridge, Mass. American Academy of Arts and Sciences c1987.
Saila:	Daedalus, Summer 1987
Gaiak:	Twenty-first century > Forecasts. Forecasting.