Klír,George J <br/><br/>
Fuzzy sets, uncertainty, and information /  
George J. Klir and Tina A. Folger 
 - London :   Prentice Hall International,   1988 
<br/><br/><label>ISBN: </label>8120306953 
<br/><br/><label>Dewey Class. No.: </label>511.32  / GEO