1. His bundle Electrocardiography and Clinical Electrophysiology;Narula,1975
2. Cardiac Arrhythmias;Krikler,1975
3. The Conduction System of the Heart. Structure, Function and Clinical implications;Wellens,1976
4. Re-entrant Arrhythmias;Kulbertus,1977
5. Cardiac Arrhythmias: Electrophysiology;Narula,1979