Ledley, Robert Steven <br/><br/>
Digital computer and control engineering 
by Robert Steven Ledley 
 - New York  McGraw-Hill  1960 
 - 835p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic digital computers
<br/><br/><label>Dewey Class. No.: </label>I5372 L499