R. Damasevicius, I. Martisius, V. Jusas, and D. Birvinskas, “Fractional Delay Time Embedding of EEG Signals into High Dimensional Phase Space”, ELEKTRON ELEKTROTECH, vol. 20, no. 8, pp. 55–58, Oct. 2014, doi: 10.5755/j01.eee.20.8.8441.