S.M.Deen <br/><br/>
CKBS''90: Proceedings of the International Working Conference on Cooperative Knowledge based systems 

 - 
 -  Springer-Verlag  1991 
 - 325 
<br/><br/>  
<br/><br/><label>ISBN: </label>3-540-19649-8 
<br/><br/><label>Dewey Class. No.: </label>004.891