Levy, J.  <br/><br/>
Punched card equipment: principles and applications  (Book) 

 - New York  McGraw-Hill Book  1967 
 - 161p.  29 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punched card systems
<br/><br/><label>Universal Decimal Class. No.: </label>651.838 LEV  / 460