1. Baczynski, M., Jayaram, B.: Fuzzy Implications. Springer-Verlag, Heidelberg (2008).
https://doi.org/10.1007/978-3-540-69082-5_1
2. Fodor, J.C.: Contrapositive symmetry of fuzzy implications. Fuzzy Sets Syst. 69, 141–156 (1995)
3. Fodor, J.C., Roubens, M.: Fuzzy preference Modelling and Multicriteria Decision Support. Kluwer, Dordrecht (1994)
4. Hellenic National Meteorological Service.
http://www.hnms.gr/emy/el/climatology/climatology_month
5. Jenei, S.: A new approach for interpolation and extrapolation of compact fuzzy quantities. The one dimensional case. In: Klement, E.P., Stout, L.N. (eds.) Proceedings of the 21th Linz Seminar on Fuzzy Set Theory, Linz, Austria, pp. 13–18 (2000)