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A textbook of econometrics
Klein, Lawrence Robert, (1953)
Statistics and econometrics
Frank, Charles Raphael, (1971)
Econometrics : An introductory analysis
Hu, Teh-wei, (1973)
A comparison of the direct and fiducial arguments in the estimation of a parameter
Williams, E. J., (1963)
The comparison of regression variables
Williams, E. J., (1959)
Tests of correlation in multivariate analysis
Williams, E. J., (1973)