Bahi <br/><br/>
Audio and visual systems 

 -  621.389 7 BAH 
<br/><br/><label>Standard No.: </label>74939 
<br/><br/><label>Subjects--Index Terms: </label>Audio and visual system Electronics 
<br/><br/><label>Dewey Class. No.: </label>621.389  / 7 BAL