Friederich, Sylvia <br/><br/>
Expert systems design and development using V P-expert 
Sylvia Friederich 
 - NewYork  John Wiely  1989 
 - x,190p. 
<br/><br/><label>ISBN: </label>0471615811 
<br/><br/><label>Dewey Class. No.: </label>006.33 F913E