The determination of secular trends
Series: Its Bulletin; no. 25
Publisher: University of Illinois
Published: 1929
Place of publication: Urbana
Language: eng
Number of pages: 71
Subjects: Business cycles.
Other titles: Secular trends.
Notes: On cover: University of Illinois bulletin, vol. XXVI, no.43.
At head of title: Burea of business research, Chas. M. Thompson ... director, A.C. Littleton ... assistant director.