B bouchon,r R yager <br/><br/>
uncertainity in knowledge -based systems 

 - 
 -  Springer-Verlag  1987 
 - 405 
<br/><br/>  
<br/><br/><label>ISBN: </label>3-540-18579-8 
<br/><br/><label>Dewey Class. No.: </label>004.8