Parebaens, J (et. al) <br/><br/>
The Structure of the Relational Database Model 

 -  Springer: London  1989 
 - 231 p. 
<br/><br/><label>ISBN: </label>0003540137149 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database Model : Relational Database Model
<br/><br/><label>Dewey Class. No.: </label>005.75  / P16