Hartkemeier, H.P.  <br/><br/>
Data processing: how to program and operate punching, sorting, accounting and electronic statistical machines  (Book) 

 - New York  Wiley  1966 
 - 399p.  28 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing
<br/><br/><label>Universal Decimal Class. No.: </label>004.382 HAR  / 15665