1. Adlassnig K. P., Scheithauer W. and Kolarz G. (1986). Fuzzy medical diagnosis in a hospital, Fuzzy Logic in Knowledge Engineering (Prade H. and Negoita C. V., eds.), Interdisciplinary Systems Research Series, Vol. 86, Verlag TÜV Rheinland, Köln, 275–294.
2. Adlassnig K. P. (1990). Update on CADIAG-2: A fuzzy medical expert system for general internal medicine, Progress in Fuzzy Sets and Systems (Janko W. H. et al., eds.), Kluwer Academic Publ., Dordrecht, 1–6.
3. Aguilar-Martin J. and Lopez de Mántaras R. (1982). The process of classification and learning the meaning of linguistic descriptors of concepts, Approximate Reasoning in Decision Analysis (Gupta M. M. and Sanchez E., eds.), North-Holland, Amsterdam, 165–175.
4. Ahlquist J. E. (1987). Application of fuzzy implication to probe non-symmetric relations — Part I, Fuzzy Sets and Systems, 22, 229–244.
5. Ahlquist J. E. (1988). Application of fuzzy implication to probe non-symmetric relations — Part II, Fuzzy Sets and Systems, 25, 87–95.