Lewell, John <br/><br/>
Multivision:  the planning, preparation and projection of audio-visual presentations/ 
John Lewell 
 - New York:  Focal / Hastings House,  c1980 
 - 251 p.;  22 cm. 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>0803847289  £ 10.95 0240510267 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetic recorders and recording<br/>Slides (Photography)
<br/><br/><label>Dewey Class. No.: </label>621.389