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4. Issues on the stability of Fuzzy Cognitive Maps and Rule-Based Fuzzy Cognitive Maps;Carvalho,2002
5. J.P. Carvalho, J.A., Tomé, Mapas Cognitivos Baseados em Regras Difusas: Modelação e Simulação da Dinâmica de Sistemas Qualitativos, Ph.D. Thesis, Instituto Superior Técnico, Technical University of Lisbon, Portugal, 2002, pp. 97–156.