Levene, M. <br/><br/>
The nested universal relation database model 

 - Berlin :  Springer-Verlag,  1992 
 - 177 p. 
 - Lecture notes in computer science ;  no. 595 .
<br/><br/><label>ISBN: </label>3540554939 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data base management<br/>Relational data bases
<br/><br/><label>LC Class. No.: </label>QA76.9 D3  / L48