Silberschatz Abraham <br/><br/>
Database system Concepts 

 - New York  McGraw Hill  2000 
 - 821 
<br/><br/><br/>Eng. 
<br/><br/><label>ISBN: </label>0-07-114810-8 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer--Introduction , Entity Relationship Model
<br/><br/><label>Dewey Class. No.: </label>005.7  / SIL