@InProceedings{Torre99LabelledLogics,
  Title                    = {Risk parameters for utilitarian desires (extended abstract)},
  Author                   = {van der Torre, L.},
  Booktitle                = {Proceedings of the Fourth Dutch-German Workshop on Nonmonotonic Reasoning Techniques and Their Applications (DGNMR'99)},
  Year                     = {1999}
}