Levy, J. <br/><br/>
Punched card data processing   
by J. Levy 
 - New-York  McGraw-Hill book company  1967 
 - xi, 243p. 
<br/><br/><label>LCCN: </label>67-29394 
<br/><br/><label>Dewey Class. No.: </label>029.7  / N676