Simpson, Robert S. <br/><br/>
Effective audio-visual :  a user's handbook / 
Robert S. Simpson. 
 - 3rd ed. 
 - Oxford ;  Boston :  Focal Press,  1996. 
 - viii, 255 p. :  ill. (some col.) ; 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0240514165 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual equipment.
<br/><br/><label>LC Class. No.: </label>TS2301.A7  / S57 1996