Kelly, C.  <br/><br/>
Digital techniques :  second-third level /  [Books]. 
C. Kelly.  
 - London :   Hutchinson,   1985. 
 - 93p. :   ill. ;   24cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0091593417 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Digital electronics.