# References

Burns, A. F., and Mitchelle, W. C. (1946) Measuring Business Cycles, New York: National Bureau of Economic Research.

Choi, E., H. L. Gray and W. A. Woodward (2003) "EARMA Processes with Spectral Analysis of Non-Stationary Time Series", SMU Tech Report, #313

Cohlmia, K. B., H. L. Gray and W. A. Woodward (2003) "Filtering Data with Time Varing Frequencies", SMU Tech Report, #312.

Friedman, M. and Schwartz, A.J. (1982) Monetary Trends in the United States and the United Kingdom: Their Relation to Income Prices, and Interest Rates, 1867-1975, Chicago: University of Chicago Press.

Girardin, V. and Rachdi, M. (2003) Spectral Density Estimation from Random Sampling for Multiplicative Stationary Processes, Computers and Mathematics with Applications, V46, pp1009--1022.

Girardin, V. and Senoussi, R. (2003) Semigroup Stationary Processes and Spectral Representation, Bernoulli, V9, pp857--876 (2003).

Gradshteyn, I.S. and Ryzhik, I.M. (2000) "Mellin Transform." 17.41 in Tables of Integrals, Series, and Products, 6th ed., San Diego, CA: Academic Press, 1193-1197.

Gray, H. L., and N. Zhang (1988) On a Class of Nonstationary Processes, Journal of Time Series Analysis, 9, 2, 133-154.

Gray, H. L. and C. P. C. Vijverberg (2003) Time Deformation and The M-Spectrum-A New Tool for Cyclical Analysis, Submitted

Gray, H. L. and C. P. C. Vijverberg (2003) Time Deformation and The M-Spectrum-A New Tool for Cyclical Analysis, SMU Tech Report.

Gray, H. L., C. P. C. Vijverberg and W. Woodward (2004) Nonstationary Data Analysis by Time Deformation, To appear in Communications in Statistics A

Gray, H. L., C. P. C. Vijverberg and W. Woodward (2002) Nonstationary Data Analysis by Time Deformation, SMU Tech Report, #310

Hanna, E. J. (1965) Group Representation and Applied Probability, Methuens Review Series in Applied Probability, Vol. 3, London: Methuen

Jiang, H., H. L. Gray and W. A. Woodward (2004) Time-Frequency Analysis-$G(\lambda)$ Stationary Processes

Jones, R. H. (1981) Fitting a Continuous Time Autoregression to Discrete Data, In Applied Time Series Analysis II (ed., David F. Findley), London: Academic Press, 651-82.

Oberhettinger, F. (1974) Tables of Mellin Transform, New York: Springer-Verlag.

Phadke, M. S., and Wu, S.M. (1974) Modeling of Continuous Stochastic Processes from Discrete Observations with Application to Sunspots Data, Journal of the American Statistical Association, 69, 325-329.

Stock, J. (1987) Measuring Business Cycle Time, Journal of Political Economy, 95, 6, 1240-1261.

Stock, J. (1988) Estimating Continuous Time Processes Subject to Time Deformation: An Application to Postwar U.S. GNP, Journal of the American Statistical Association, 83, 401, 77-85.

C. P. C. Vijverberg (2002) Discrete Multiplicative Stationary Processes, Ph.D. Dissertation