Malvino, Albert Paul. <br/><br/>
Digital Principles and Applications /  

 - Fourth Ed. /  
 - Singapore :   McGraw-Hill Book Company ,   1991 
 - p540 :  
<br/><br/><label>ISBN: </label>0-07- Y66440-4 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic Digital Computers
<br/><br/><label>Dewey Class. No.: </label>BV(D65)  / M6;3