"Codd, E.F" <br/><br/>
The Relational Madel for 

 - New York  A.W.  1990 
 - "xxii, 538" 
<br/><br/><label>ISBN: </label>9.78E+12 
<br/><br/><label>Dewey Class. No.: </label>5  / 756 CO