Cardiac pacing and electrophysiology / 
edited by Nabil El-Sherif and Philip Samet 
 - 3rd ed. 
 - Philadelphia :  W. B. Saunders,  1991 
 - 784 p. :  ill. ;  29 cm. 
<br/><br/><label>ISBN: </label>0721630677 
<br/><br/><label>LCCN: </label>90-008280 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrophysiology<br/>Heart Conducting System--physiology