1. Fuzzy Data Analysis;Bandemer,1992
2. Fuzzy-Logik: Einführung in die algebraischen and logischen Grundlagen;Böhme,1993
3. An Introduction to Fuzzy- Control;Driankov,1993
4. Digitale Regelsysteme;Isermann,1977
5. Foundations of Fuzzy Systems;Kruse,1994