Continuous Wavelet Transform Modulus Maxima Analysis of the Electrocardiogram: Beat Characterisation and Beat-to-Beat Measurement. - I. Romero Legarreta; Paul S. Addison; M. J. Reed; Neil R. Grubb; Gareth R. Clegg; Colin E. Robertson; James N. Watson (Int. J. Wavelets Multiresolution Inf. Process., 2005)