Secular and cyclical movements in the production
Subtitle: and price of copper
By: by Charles Louis Knight.
Publisher: University of Pennsylvania press; H. Milford, Oxford university press
Published: 1935
Place of publication: Philadelphia; London
Language: eng
Number of pages: 153
Subjects: Copper industry and trade.; Business cycles.
Notes: S̋ources and evaluation of data:̋ 7-10; Bibliography: p. 153.
Issued also as thesis (Ph. D) University of Pennsylvania.
Studies dealing with various countries since 1860.