Bradley, James <br/><br/>
File and data base techniques 

 - New York:   Holt, Rinehart and Winston,   1982 
 - 562p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Technology
<br/><br/><label>Universal Decimal Class. No.: </label>D 681.3  / M2