Schott, A. <br/><br/>
Cardiographic technique: a manual for cardiological technicians  A. Schott. 

 - 2nd ed. 
 - London  William Heinemann Medical Books  1963 
 - 140p., ill. 22cm. 
<br/><br/><label>Dewey Class. No.: </label>616.120754,  / S25C