McGill, Donald A. C. <br/><br/>
Punched cards  data processing for profit improvement. 

 - New York  McGraw-Hill  1962. 
 - 232p.  illus.  24cm. 
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>61015457  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punched card systems