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The climacteric in U.S. economic growth
Poulson, Barry W., (1973)
Long swings in the U.S. economy : a spectral analysis of 19th and 20th-century data
Dowling, J. Malcolm, (1974)
Long swings in factor flows from Great Britain to the United States : an application of the spectral matrix approach to dynamic change
Poulson, Barry W., (1975)