1. Antoni, H., Oberdisse, E.: Elektrophysiologische Untersuchungen über die Barium-induzierte Schrittmacher-Aktivität in der Arbeitsmuskulatur des Säugetierherzens. Naunyn-Schmiedeberg Arch. Exp. Path. Pharmacol.247, 329?330 (1964)
2. Brown, H. F., Noble, S. J.: Membrane currents underlying delayed rectification and pacemaker activity in frog atrial muscle. J. Physiol. (Lond.)204, 717?736 (1969)
3. Brown, H. F., Giles, W., Noble, S. J.: Membrane currents underlying rhythmic activity in frog sinus venosus. In: The sinus node, structure, function and clinical relevance. (F. I. M. Bonke, ed.), pp. 320?332. The Hague: Martinus Nijihoff Medical Division 1978
4. Brown, H. F., DiFrancesco, D., Noble, S. J.: How does adrenaline accelerate the heart? Nature280, 235?236 (1979)
5. DeMello, W. C.: Some aspects of the interrelationship between ions and electrical activity in specialized tissue of the heart. In: The specialized tissues of the heart. (A. Paes de Carvalho, W. C. de Mello, B. F. Hoffmann, eds.), pp. 95?107. Amsterdam: Elsevier Publishing Co. 1961