Codd E F <br/><br/>
Relational model for database management: version 2 

 - Reading, Massachusetts   Addison-Wesley Publishing Company  1990 
 - xxii, 538p 
<br/><br/> Bibliographical references 505-510p; Index 511-538p 
<br/><br/><label>ISBN: </label>0201141922 (hbd) 
<br/><br/><label>Standard No.: </label>4267 
<br/><br/><label>Source: </label> Sumee,  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/> Databases<br/> Relational<br/>Computer science
<br/><br/><label>Dewey Class. No.: </label>D65,8(B):35, N0