Sawyer, Brian. <br/><br/>
Programming expert systems in Pascal   
by Brian Sawyer, Dennis Foster 
 - New York  John-Wiley & Sons  1986 
 - xii, 186p. 
<br/><br/><label>ISBN: </label>0471842672 
<br/><br/><label>Dewey Class. No.: </label>001.6424P  / N861;1