1. Independence concepts in upper and lower probabilities;Campos,1993
2. Probability intervals: a tool for uncertain reasoning, Internat;Campos;J. of Uncertainty, Fuzziness and Knowledge-Based Systems,1994
3. Propagating uncertain information forward, Internat;Campos;J. Intell. Syst.,1992
4. Independence concepts for convex sets of probabilities;Campos,1995
5. Propagation of convex sets of probabilities in directed acyclic networks;Cano,1993