Sequential logic circuits (BCD and special counters) / 
Heath Company ; produced by Omnia Corporation 
 - [Benton Harbor, MI] :  Heathkit Educational System,  1983 
 - 1 videodisc (17 min.) :  sd., col. ;  12 cm. 
<br/><br/> Unit 7 
<br/><br/><label>ISBN: </label>MED0000815(Local) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic circuits<br/>Digital circuits