Hellerman, Herbert. <br/><br/>
Digital computer systems principles 

 - 2 ed. 
 - New York :  McGraw-Hill,  1973 
 - 465 p. 
<br/><br/><label>LCCN: </label>13142 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Calculadoras electrónicas digitales.
<br/><br/><label>Dewey Class. No.: </label>001.64044  / H45 1973