1. Cellier, F.: General system problem solving paradigm for qualitative modeling. In: Fishwick, P.A., Luker, P.A. (eds.) Qualitative Simulation Modeling and Analysis, pp. 51–71. Springer, New York (1991)
2. de Albornoz, Á.: Inductive Reasoning and Reconstruction Analysis: Two Complementary Tools for Qualitative Fault Monitoring of Large-Scale Systems. PhD thesis, Universitat Politcnica de Catalunya (1996)
3. Karnik, N.N., Mendel, J.M.: Applications of type-2 fuzzy logic systems to forecasting of time-series. Information Sciences 120, 89–111 (1999)
4. Kim, I., Lee, S.-R.: A fuzzy time series prediction method based on consecutive values. In: 1999 IEEE International Fuzzy Systems Conference Proceedings, Seoul, Korea, pp. 703–707 (1999)
5. Kosanović, B.R., Chaparro, L.F., Sclabassi, R.J.: Signal analysis in fuzzy information space. Fuzzy Sets and Systems 77(1), 49–62 (1996)