Peter D Smith, G Michael Barnes <br/><br/>
Files and Databases:An Introduction 

 - 
 -  Addison-Wesley Publishing  1987 
 - 390 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-201-10746-5 
<br/><br/><label>Dewey Class. No.: </label>004.65