Audiovisual and microcomputer handbook / 
edited by John Henderson and Fay Humphreys. 
 - 4th ed. 
 - London :  Kogan Page,  [1980] 
 - SCET guide to educational and training equipment .
<br/><br/><label>ISBN: </label>0850387817 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Audio-visual equipment.<br/>Microcomputers.