Hollingdale, S. H. <br/><br/>
Electronic computers / 
S. H. Hollingdale and G. C. Tootill. 
 - Revised ed. 
 - Harmondsworth :  Penguin Books Ltd.,  1975. 
 - 378 p. :  ill. ;  18 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>0140205241 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers.