Simpson, Robert S. <br/><br/>
Effective Audio-Visual : A User's Handbook / 
Robert S. Simpson 
 - 2nd ed 
 - Oxford :  Focal Press,  1992 
 - 241 p :  illus 
<br/><br/><label>ISBN: </label>024051274 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-Visual equipment.
<br/><br/><label>LC Class. No.: </label>TS2301.A7  / S57 E4 1992