@TECHREPORT{pericchi:sipta:bayes-robust:1998,
  AUTHOR =        {Luis Raul Pericchi},
  TITLE =         {Sets of prior probabilities and Bayesian Robustness},
  INSTITUTION =   {Society for Imprecise Probabilities: Theories and Applications},
  YEAR  =         {1998},
  PAGES =         {5},
  URL   =         {https://www.sipta.org/documentation/robust/pericchi.pdf},
}