Douglas B Lenat,R V Guha <br/><br/>
Building large knowledge based systems:representation and inference in the Cye project 

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 -  Addison-Wesley Publishing  1990 
 - 372 
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<br/><br/><label>ISBN: </label>0-201-51752-3 
<br/><br/><label>Dewey Class. No.: </label>004.891