1. Associatively tied implications;Abdel-Hamid;Fuzzy Sets and Systems,2003
2. W. Bandler, L.J. Kohout, Mathematical relations, their products and generalized morphisms. Technical Report EES-MMS-REL 77-3, Man-Machine Systems Laboratory, Department of Electrical Engineering, University of Essex, Essex, Colchester, 1977.
3. W. Bandler, L.J. Kohout, Fuzzy relational products and fuzzy implication operators, in: International Workshop of Fuzzy Reasoning Theory and Applications, London, Queen Mary College, University of London, 1978.
4. Semantics of implication operators and fuzzy relational products;Bandler;Int. J. Man-Machine Studies,1980
5. Fuzzy relational products as a tool for analysis and synthesis of the behaviour of complex natural and artificial systems;Bandler,1980