Yen, John Fuzzy logic intelligence, control and information. [Book] John Yen and Reza Langari - New Delhi : Pearson Education, 2007. - 530 Pages : 23 cm. Includes index. All ISBN: 9788131705346 Subjects--Topical Terms: Sets theory and logicFuzzy logicMathematics Dewey Class. No.: 511.3