Stewart, W. Earl <br/><br/>
Magnetic Recording Techniques 
/by W. Earl Stewart 
 - London:  McGraw-Hill Book Company;  1958. 
 - ix,272p. 
<br/><br/><label>ISBN: </label>000 
<br/><br/><label>Dewey Class. No.: </label>621.374  / STE/M