Paton,Norman W. <br/><br/>
Active rules in database systems / 
Paton,Norman W. 
 - New Work:  Springer,  1999. 
 - xix,439p;26cm 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>ISBN: </label>0387985298 
<br/><br/><label>Dewey Class. No.: </label>005.74 PAT