Spectral and Nonlinear Analysis in Surgical Ventricular Fibrillation. - Francisco Javier Pulido-Hidalgo; Óscar Barquero-Pérez; Cristina Soguero-Ruíz; José Luis Rojo-Álvarez; Juan José Sánchez-Muñoz; Arcadi García-Alberola (CinC, 2013)