Technology. a second level course,Introductory electronics: Digital components and systems 

 - Milton Keynes  Open University Press  1980 
 - 64p. 
<br/><br/><label>ISBN: </label> UKP 3.75 
<br/><br/><label>Source: </label> UKP 3.75 
<br/><br/><label>Dewey Class. No.: </label>537.5 TEC