Crozier, Mary <br/><br/>
Broadcasting  sound and television 
Mary Crozier 
 - London  Oxford University Press  1958 
 - 236p.  16cm 
<br/><br/> Includes index 
<br/><br/>Bibliography: p.224-227 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Broadcasting<br/>Telecommunications
<br/><br/><label>Dewey Class. No.: </label>351.87454  / CRO