Characterization of atrial fibrillation using the surface ECG: time-dependent spectral properties. - Martin Stridh; Leif Sörnmo; Carl J. Meurling; S. Bertil Olsson (IEEE Trans. Biomed. Eng., 2001)

Sequential characterization of atrial tachyarrhythmias based on ECG time-frequency analysis. - Martin Stridh; Leif Sörnmo; Carl J. Meurling; S. Bertil Olsson (IEEE Trans. Biomed. Eng., 2004)