Plaza E, Alsina C, de Mántaras RLópez, Agustí-Cullell J, Aguilar J.
1986.
Consensus and Knowledge Acquisition. IPMU 86: International Conference on Information Processing and Management of Uncertainty in Knowledge Based Systems. :214-217.
Cortés U, de Mántaras RLópez, Manero J., Plaza E, Salrà X.
1986.
Fuzzy retrieval system for document databases: an implentation. IPMU 86: International Conference on Information Processing and Management of Uncertainty in Knowledge Based Systems. :155.