Brian Sawyer,Dennis Fosler <br/><br/>
Programming Expert Systems in PASCAL 

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 -  John Wiley and Sons  1986 
 - 186 
<br/><br/>  
<br/><br/><label>ISBN: </label>0-471-84267-2 
<br/><br/><label>Dewey Class. No.: </label>004.891