Witold Pedrycz and Fernando Gomide <br/><br/>
An Introduction to fuzzy sets : analysis and design 

 - prentice hall, New Delhi  2004 
 - xxiv;465p.p 
<br/><br/><label>ISBN: </label>81-203-2465-X 
<br/><br/><label>Dewey Class. No.: </label>511.3 Ped/Gom