Polkowski, L:Skowron, A (Ed.) <br/><br/>
Rough sets in knowledge discovery1 : Methodology and applications : studies in fuzziness and soft computing 

 -  Springer: Tokyo  1998 
 - 576 p. 
<br/><br/><label>ISBN: </label>379081119X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>knowledge discovery :
<br/><br/><label>Dewey Class. No.: </label>006.331  / P44