Introductory electronics unit 12  : analogue digital conversion 
D.I. Crecraft  
 - Great Britain:  The Open University Press,  1980. 
 - 35p. 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0335084370 
<br/><br/><label>Dewey Class. No.: </label>621.381  / INT