ULLMAN J.O. <br/><br/>
PRINCIPLES OF DATABASE SYSTEMS 

 - N.D. 
 - NULL  GALGO  1989 
 - 484 PB 
<br/><br/><label>ISBN: </label>NULL 
<br/><br/><label>Subjects--Topical Terms: </label><br/>NULL
<br/><br/><label>Dewey Class. No.: </label>001.61 /ULL