Date, C. J. <br/><br/>
Introduction to database system   
by C. J. Date 
 - 3rd ed. 
 - New Delhi  Narosa Pub. House  1985 
 - xxx, 580p. 
<br/><br/><label>ISBN: </label>85015589 
<br/><br/><label>Dewey Class. No.: </label>001.6  / N857