Vasta, Joseph A. <br/><br/>
Understanding data base management systems 

 - California:  Wadsworth pub,  1985. 
 - xxii,350p.;  24cm 
<br/><br/><label>ISBN: </label>0-534-04029-2 
<br/><br/><label>Dewey Class. No.: </label>001.64  / VAS