Date, C. J. <br/><br/>
An introduction to database systems / 
C. J. Date. 
 - 3rd ed. 
 - Reading, Mass. :  Addison-Wesley,  1981. 
 - 574 p. ;  24 cm. 
 - The systems programming series. .
 - The systems programming series. .
<br/><br/>Includes bibliographies and index. 
<br/><br/><label>ISBN: </label>0201144719 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Data base management.