Ullman, Jeffrey D. <br/><br/>
Principles of database systems 

 - 2nd ed. 
 - New Delhi  ; Galgotia Publications  , 1987 
 - vii,484p. 
<br/><br/><label>ISBN: </label> 160 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computer Database<br/>Database Systems<br/>Dbms
<br/><br/><label>Dewey Class. No.: </label>005.74  / ULL