Ricardo, Catherine, M. <br/><br/>
Database systems: principles, design, and implementation 

 - New York: Macmillan  1990 
 - xvi,576p.  24 cm. 
<br/><br/><label>ISBN: </label>0029461944 
<br/><br/><label>Dewey Class. No.: </label>001.644,  / RIC