Date, C. J <br/><br/>
Introduction to database systems, vol.II.   
by C. J. Date 
 - USA  Addison-Wesley  1983 
 - xv, 383p. 
 - Addison-Wesley systems programming series .
<br/><br/><label>ISBN: </label>0201144743 
<br/><br/><label>Dewey Class. No.: </label>001.6  / N811.2;1 R(T)