1. W. Bandler, L.J. Kohout, Mathematical relations, their products and generalized morphisms. Technical Report, Man–Machine Systems Laboratory, EES-MMS-REL 77-3, December 1977.
2. Fuzzy power sets and fuzzy implication operators;Bandler;Fuzzy Sets and Systems,1980
3. Fuzzy relational products as a tool for analysis and synthesis of the behaviour of complex natural and artificial systems;Bandler,1980
4. W. Bandler, L.J. Kohout, Semantics of implication operators and fuzzy relational products, Internat. J. Man–Machine Studies 12 (1980) 89–116. Reprinted in: E.H. Mamdani, B.R. Gaines (Eds.), Fuzzy Reasoning and its Applications, Academic Press, London, 1981, pp. 219–246.
5. W. Bandler, L.J. Kohout, Fast fuzzy relational algorithms, in: A. Ballester, D. Cardús, E. Trillas (Eds.), Proc. 2nd Internat. Conf. on Mathematics at the Service of Man, Las Palmas, 1982, pp. 123–131. (Las Palmas, Canary Islands, Spain, 28 June–3 July), Universidad Politechnica de las Palmas.