1. Experimentelle Studien an Saugentieren uber das Electrocardiogram;Hering;J. Exp. Med.,1909
2. Notes upon alternation of the heart;Lewis;Quart. J. Med.,1910
3. D. Adam, A. Powell, H. Gordon, R. Cohen, Estimation of ventricular vulnerability to fibrillation through T-wave time series analysis, in: Computers in Cardiology, vol. 8, 1982, pp. 307–310.
4. Fluctuations in T-wave morphology and susceptibility to ventricular fibrillation;Adam;J. Electrocardiol.,1984
5. Electrical alternans and cardiac electrical instability;Smith;Circulation,1988