Susanne M Humphrey,Biagio John Melloni <br/><br/>
Databases:A Primer for Retrieving Information by Computer 

 - 
 -  Reston  1986 
 - 384 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-8359-1319-8 
<br/><br/><label>Dewey Class. No.: </label>004.65