Yen, John. Fuzzy logic : intelligence, control, and information / John Yen and Reza Langari. - Upper Saddle River, N.J. : Prentice Hall, c1999. - 530 p. : ill. ; 25 cm. ISBN: 9788131705346 LCCN: 98040882 Subjects--Topical Terms: Fuzzy logic. Dewey Class. No.: 511.3