1. Lecture Notes in Computer Science;L.A. Zadeh,1997
2. Baldwin, J.F., Martin, T.P.: A FuzzyData Browser in Fril. In: Baldwin, J.F. (ed.) Fuzzy Logic in AI, pp. 101–124. John Wiley, Chichester (1996)
3. Baldwin, J.F., Martin, T.P.: From Fuzzy Databases to an Intelligent Manual using Fril. J. Intelligent Information Systems 2, 365–395 (1993)
4. Baldwin, J.F., Martin, T.P.: The Intelligent Manual in Fril. In: Proc. EUFIT 1993 – First European Congress on Fuzzy and Intelligent Technologies, Aachen, Germany, pp. 624–630 (1993)
5. Zadeh, L.A.: Fuzzy Logic = Computing with Words. IEEE Transactions on Fuzzy Systems 4, 103–111 (1996)