Ullman, Jeffrey D. <br/><br/>
Principles of Database Systems 

 - 2 
 - New Delhi  Galgotia Publications (P) Ltd  1992 
 - 484 
<br/><br/><label>Publisher. No.: </label> Kiran Enterprises 
<br/><br/><label>Subjects--Personal Names: </label> Computer Science 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science