Korth, Henry F. & Silberschatz, Abraham <br/><br/>
Datbase system concepts 

 - 2nd ed. 
 - Mcgraw-hill, New york  1991 
 - xii,69 
<br/><br/><label>ISBN: </label>0-07-100804-7 
<br/><br/><label>Dewey Class. No.: </label>001.64 Kor