1. Spectral analysis of signals;Stoica,2005
2. Discrete-Time Signal Processing;Oppenheim,1989
3. Wavelet Methods for Time Series Analysis;Donald,2000
4. P. Abry, Ondelettes et turbulence. Multirésolutions, algorithmes de décomposition, invariance d’échelles, Diderot Editeur, Paris, 1997.
5. Detecting Ventricular Fibrillation: Selecting the Appropriate Time-Frequency Analysis Tool for the Application;Afonoso;IEEE Eng. Med. Biol. Mag.,1995