Ullman,Jeffrey D <br/><br/>
Principles of database system 

 - 3rd Ed. 
 - New Delhi  Galgotia Publications Pvt.Ltd  2008 
 - 670 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Engineering
<br/><br/><label>Dewey Class. No.: </label>5  / UL-P