@InProceedings{druzdzel1993a,
  Title                    = {Efficient reasoning in qualitative probabilistic networks},
  Author                   = {M. J. Druzdzel and M. Henrion},
  Pages                    = {548-553},

  Anterior                 = {druzdzel93xa},
  Claves                   = {,expl-rb,},
  Crossref                 = {aaai1993}
}