1. The HP ECG analysis program;Balda,1977
2. Neural networks for ECG classification;Bortolan,1991
3. ECG classification with neural networks and cluster analysis;Bortolan,1991
4. Diagnostic ECG classification based on neural networks;Bortolan;J. Electrocardiology,1994
5. Heuristic classification;Clancey;Artificial Intelligence,1985