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2. Fuzzy logic with engineering applications;Ross,2004
3. The roles of fuzzy logic and soft computing in the conception, design and deployment of intelligent systems;Zadeh;Software Agents and Soft Computing,1997
4. Rough set reasoning about uncertain data;Stefanowski;Fundamenta Informaticae,1996
5. Rough set data analysis- a road to non-invasive knowledge discovery;Duntsch,2000