Lefkovitz, D.  <br/><br/>
Data management for on-line systems  (Book) 

 - Rochelle Park, N.J.  Hyden Book  1974 
 - 289 p.  24 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management On-line data processing
<br/><br/><label>Universal Decimal Class. No.: </label>004.658 LEF  / 15235