Awad, Elias M. <br/><br/>
Automatic data processing :  principles and procedures / 
Elias M. Awad and Data Processing Management Association. 
 - 2nd ed. 
 - Englewood Cliffs, N.J. :  Prentice-hall,  1970. 
 - xiv, 495 p. :  ill. 
<br/><br/><label>ISBN: </label>0130551600 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Punched card systems.<br/>Information storage and retrieval systems.