Jürgen Giesl, Ingrid Neumann. The Semantics of Rational Contractions. In Miguel Filgueiras, Luís Damas, editors, Progress in Artificial Intelligence, 6th Portuguese Conference on Artificial Intelligence, EPIA 93, Porto, Portugal, October 6-8, 1993, Proceedings. Volume 727 of Lecture Notes in Computer Science, pages 356, Springer, 1993.
Abstract is missing.