Digital computer, A second level course,Hardware: Devices and subsystems 

 - Milton Keynes  Open University Press  1978 
 - pp. 
<br/><br/><label>ISBN: </label> UKP 3.50 
<br/><br/><label>Source: </label> UKP 3.50 
<br/><br/><label>Dewey Class. No.: </label>004 DIG