Introduction to digital techniques / 
Heath Company  ; produced by Omnia Corporation 
 - [Benton Harbor, MI] :  Heathkit Educational System,  1983 
 - 1 videodisc (22m) :  sd., col. ;  12 cm. 
<br/><br/> Unit 1 
<br/><br/><label>ISBN: </label>MED0000821(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital techniques<br/>Digital electronics