1. Heart Sounds and Murmurs: A Practical Guide;Ericson,1997
2. Artificial neural network-based method of screening heart murmurs in children;DeGroff;Circulation,2001
3. Stasis A: Decision Support System for Heart Sound Diagnosis Using Digital Signal Processing Algorithms and Data Mining Techniques, PhD Thesis Athens, National Technical University of Athens, 2003 (in Greek).
4. Heart sound analysis for symptom detection and computer-aided diagnosis;Reed;Simulation: Modelling Practice and Theory,2003
5. A sub-band energy tracking algorithm for heart sound segmentation;Haghighi-Mood;Computers in Cardiology,1995