Frans Coenen,Trevor Bench Capon <br/><br/>
Maintenance of Knowledge based Systems:Theory,Techniques and tools 

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 -  Academic Press  1993 
 - 322 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-12-178120-8 
<br/><br/><label>Dewey Class. No.: </label>004.891