1. Boashash, B. (1998). Note on the use of the Wigner distribution for time-frequency signal analysis. IEEE Transactions on Acoustics, Speech and Signal Processing, 36(9).
2. Chen, X. L., Yan, P. Q., & Wei, W. L. (1995). The vibration monitoring and fault diagnosis on boiler feed pump in fossil power station. Vibration and impulsion in China,
3, 7–11.
3. Cohen, L. (1987). On a fundamental property of the Wigner distribution, IEEE Transactions on Acoustics, Speech and Signal Processing, ASSP-35(4).
4. Egusquiza, E. (2007). Vibration behavior of hydraulic turbines, Application to condition monitoring, Proceedings of 2nd IAHR International Meeting of the WG on Cavitation and Dynamic Problems in Hydraulic Machinery and Systems, Timisoara.
5. Egusquiza, E., Liang, Q.W., Escaller, X. And Valero, C. (2006). Condition monitoring strategies in hydro powerplants, Proceedings of The 1st International Conference on Hydropower Technology and Key Equipment, Beijing.