Burch, George E. <br/><br/>
A primer of electrocardiography / 
By George E. Burch, Travis Winsor. 
 - 4th ed., thoroughly rev. 
 - London :  Kimpton,  [1961]. 
 - 293 p.  with 286 ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrocardiography