- Signal Processing 86(8):2067--2073 (August 2006)
- International Journal of Forecasting 19(4):595--601 (December 2002)
- Stochastic Processes and their Applications 20(1):85--104 (July 1985)
- Physica A: Statistical Mechanics and its Applications 321(1-2):114--123 (Apr 1, 2003)
- Physica A: Statistical Mechanics and its Applications 283(1-2):17--23 (Aug 1, 2000)


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