- Huang, N. E., Hu, K., Yang, A. C., Chang, H. C., Jia, D., Liang, W. K., ... & Meijer, J. H. (2016). On Holo-Hilbert spectral analysis: a full informational spectral representation for nonlinear and non-stationary data. Phil. Trans. R. Soc. A, 374(2065), 20150206.