Audio visual & micro-computer handbook :  the SCET guide to educational and training equipment / 
edited by John Henderson and Fay Humphreys 
 - 3rd ed 
 - London :  Kogan Page,  1982 
 - 150 p. :  ill ;  30 cm. 
<br/><br/> Previous ed. published as : Audio visual handbook 1980 
<br/><br/><label>ISBN: </label>0850385466 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio--visual equipment<br/>Microcomputers