I M Graham,R W Milne <br/><br/>
Research and development in expert systems VIII:proceedings 

 - 
 -  Cambridge University  Press  1991 
 - 274 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-521-41838-0 
<br/><br/><label>Dewey Class. No.: </label>004.891