Ullman, Jeffrey D. <br/><br/>
Principles of data base systems 

 - USA  Computer Science Press  1980 
 - 379  23cm 
<br/><br/><label>ISBN: </label>914894137 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Administración de base de datos
<br/><br/><label>LC Class. No.: </label>QA76.93   / U45