Date, C. J. <br/><br/>
Relational database :  writings, 1989-1991 / 
C. J. Date and Hugh Darwen 
 - Reading, Mass. :  Addison-Wesley,  c1992 
 - xxii, 521 p. ;  25 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0201543036 :  USD 64.50 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Relational databases
<br/><br/><label>Dewey Class. No.: </label>005.756