Hellerman, Herbert,  1927- <br/><br/>
Digital computer system principles. 

 - New York,  McGraw-Hill  [1967] 
 - 424 p.  illus.  23 cm. 
<br/><br/><label>LCCN: </label>67014671  
<br/><br/><label>LC Class. No.: </label>QA76.5 .H448  / .H448 
<br/><br/><label>Dewey Class. No.: </label>621.3819/58