Zimmermann, H.J. <br/><br/>
Fuzzy set theory and its applications 

 - London  Kluwer Academic Publishers  1991 
 - xx,399p.  23cm. 
<br/><br/><label>ISBN: </label>8170235251 
<br/><br/><label>Dewey Class. No.: </label>511.32  / Z7F