Ledley, Robert Steven. <br/><br/>
Programming and utilizing digital computers   
by Robert Steven Ledley 
 - New York  McGraw-Hill  1962 
 - xxi, 568p.  incl. app., ind. 
 - McGraw-Hill Series in Information Processing & Computers .
<br/><br/><label>LCCN: </label>62-10208 
<br/><br/><label>Dewey Class. No.: </label>001.642  / N62;1