Total systems:   Data Processing library series  

 - Michigan:   American data processing, Inc.   1962 
 - 200p.  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer science 
<br/><br/><label>Subjects--Index Terms: </label>Total system  
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3  / L2