Warmer, Jos B.(Booch); Kleppe, Anneke G. <br/><br/>
The object constraint language : precise modeling with UML 

 - 2nd 
 - New yark  Addison Wesley  2003 
 - 206 
<br/><br/><label>ISBN: </label>9780321179364 
<br/><br/><label>Dewey Class. No.: </label>005.117 WAR