Eduardo L. Fermé Juan Mikalef Jorge Taboada Credibility-limited Functions for Belief Bases. 99-110 2003 13 J. Log. Comput. 1 http://www3.oup.co.uk/logcom/hdb/Volume_13/Issue_01/130099.sgm.abs.html db/journals/logcom/logcom13.html#FermeMT03