Lefkovtz, David <br/><br/>
Data management for on-line systems 

 - New Jersey:   Hayden Book Company, Inc.,   1974 
 - 289p. 
<br/><br/><label>ISBN: </label>0-8104-5100-X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Information technology
<br/><br/><label>Subjects--Index Terms: </label>File processing 
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.32.022   / L4