Date, C. J. <br/><br/>
An introduction to database systems / 
C.J. Date. 
 - 4th ed. 
 - Reading, Mass. :  Addison-Wesley Pub. Co.,  1986- 
 - v. :  ill. ;  25 cm. 
 - Addison-Wesley systems programming series. .
<br/><br/> Includes index. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0201142015 (v. 1) (hbk. ) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management.