Analysis of the future
Subtitle: the Delphi method
By: [by] Olaf Helmer.
Series: Paper / Rand -- P-3558; P (Rand Corporation) -- P-3558.
Publisher: Rand Corp.]
Published: 1967
Place of publication: [Santa Monica, Calif
Language: eng
Number of pages: 11
Subjects: Forecasting.
Notes: Cover title.