Ullman, Jeffrey D. <br/><br/>
Principles of database and knowledge-base systems / 
Jeffrey D. Ullman. 
 - New York :  Computer Science Press,1989 
 - 1137P , 24 cm. 
 - Principles of computer science series, .
<br/><br/>Includes bibliographical references and indexes. 
<br/><br/><label>ISBN: </label>071678162X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management.<br/>Expert systems (Computer science)
<br/><br/><label>LC Class. No.: </label>QA76.9.D3  / U443 1989