por Ieee International Conference On Acoustics Speech, And Signal Processing Tulsa, Okla. 1978.
por IEEE International Conference on Acoustics, Speech and Signal Processing (1992 : San Francisco, California) | IEEE Signal Processing Society.
por IEEE International Conference on Acoustics Speech, and Signal Processing (1993 : Minneapolis, Minnesota) | Institute of Electrical and Electronics Enginners. Signal Processing Society.
por IEEE International Conference on Acoustics, Speech, and Signal Processing (1994 : Adelaide, Australia) | IEEE Signal Processing Society.
por IEEE International Conference on Acoustics, Speech, and Signal Processing (1996 : Atlanta, Georgia) | IEEE Signal Processing Society.