Cable,  Ralph <br/><br/>
Audio-Visual handbook 
Ralph Cable 
 - London:  University press,  1965. 
 -  118p 22cm 
<br/><br/><br/>eng 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio visual education
<br/><br/><label>Dewey Class. No.: </label>371.33  / CAA