1. Status report on computerized ECG analysis;Ariet;J.A.M.A,1978
2. Understanding Electrocardiography: Physiological and Interpretive Concepts;Conover,1976
3. Canine Cardiology;Ettinger,1970
4. Bellet’s Essentials of Cardiac Arrhythmias;Helfant,1980
5. Electrode catheterization for recording electrical activity of fasciculus atrioventricularis (bundle of His);Ishijima;Am. J. Vet. Res.,1979