Hellerman, Herbert, 1927- <br/><br/>
Digital computer system principles 
Herbert Hellerman 
 - 2d ed. 
 - New York  McGraw-Hill  1973 
 - xiii, 466 p.: ill. ; 24 cm. 
<br/><br/>Includes bibliographies. 
<br/><br/><label>ISBN: </label>0070280738 
<br/><br/><label>LCCN: </label>72-005530 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers