Verzello, Robert J. <br/><br/>
Data processing, systems and concepts / 
Robert J. Verzello, John Reutter III. 
 - New York :  McGraw-Hill,  1982. 
 - xv, 539 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>007067325X (cased) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electronic data processing.
<br/><br/><label>Subjects--Index Terms: </label>Data processing<br/>.