Uncertainty and Cyclic Dependencies: A Proposal and a Network Implementation. - Andrea Bonarini; Ernesto Cappelletti; Antonio Corrao (AI*IA, 1991)

Network-based management of subjective judgements: a proposal accepting cyclic dependencies. - Andrea Bonarini; Ernesto Cappelletti; Antonio Corrao (IEEE Trans. Syst. Man Cybern., 1992)