Date, C. J. <br/><br/>
An introduction to database systems / 
C.J. Date. 
 - 4th ed. 
 - Reading, Mass. :  Addison-Wesley,  c1986. 
 - xx, 639 p. ;  24 cm. 
<br/><br/><label>ISBN: </label>0201142015 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Database management.