Date C. J. <br/><br/>
An Introduction to Database Systems / 
Date, C. J.; C. J. Date;  
 -  Addison-Wesley Publishing Company  1981 
 - xxviii, 574 p.  23 cm. 
<br/><br/><label>Source: </label>0533 
<br/><br/><label>Subjects--Index Terms: </label>BANCO DE DATOS 
<br/><br/><label>Universal Decimal Class. No.: </label>0533 CDU