Ullman, Jeffrey D. <br/><br/>
Principles of database systems / 
Jeffrey D. Ullman, 
 - 2nd ed. 
 - New Delhi:  Galgotia Publications,  1984. 
 - vii, 484p.  ill.  22cm. 
<br/><br/>Includes Bibliographical references and index  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Science<br/>Database management
<br/><br/><label>Dewey Class. No.: </label>001.6  / ULL