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Methods of Statistical Analysis in Economics and Business
Lewis, Edward E., (1953)
Elements of statistics
Mode, Elmer B., (1961)
Statistics for economics and business
Paden, Donald W., (1956)
Interspatial Relationships Affecting Air Travel
Richmond, Samuel B., (1957)
Statistical Analysis
Richmond, Samuel B., (1964)
[Besprechung von:] Richmond, Samuel B.: Regulation and competition in air transportation. New York 1961
Gellman, Aaron J., (1962)