Ullman, Jeffrey D.. <br/><br/>
Principles of database and knowledge-base systems 
/ Jeffrey D. Ullman 
 - Rockville, MD   : Computer Science Press   , 1988-1989 
 - 2 v. :  il. 
 - (Principles of computer science series ;  14) .
<br/><br/>Contenido: v. 1. Classical database systems  Contenido: v. 2. The new technologies 
<br/><br/><label>ISBN: </label>0716781581(v.1) 071678162X( v.2) 
<br/><br/><label>Subjects--Topical Terms: </label><br/> BASE DE DATOS
<br/><br/><label>Universal Decimal Class. No.: </label>004.65 U41d