Date, C. J.  <br/><br/>
An introduction to database systems :  Vol.1 /  [Books]. 
C. J. Date 
 - 4th edition 
 - Reading, Massachusetts :  Addison-Wesley Publishing Company ;  ©1986. 
 - xx, 639 pages :   illustrations ;   24cm. 
 - Addison-Wesley systems programming series World student series .
<br/><br/> Previous edition : 1981.  Includes index. 
<br/><br/><label>ISBN: </label>0201192152 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management<br/>File organization --Computer science