Burch, George E. A primer of electrocardiography / George E. Burch [and] Travis Winsor. - 5th ed. - London, Kimpton, c1966. - 3-304 p. front. (port.) tables, diagrs. 24 cm. English. ISBN: 48/6 LCCN: 67073932 Nat. Bib. No.: B66-22136 Subjects--Topical Terms: Electrocardiography. LC Class. No.: RC683.5.E5 / B78 1966a Dewey Class. No.: 610/BUP