@proceedings{
    cnmr98,
    editor = {Niemel\"a, Ilkka and Schaub, Torsten},
    publisher = "Helsinki University of Technology, Digital Systems Laboratory, Research Report A52",
    title = "Proceedings of the Workshop on Computational Aspects of Nonmonotonic Reasoning",
    address = "Trento, Italy",
    month = "May",
    note = "",
    year = "1998",
    organization = ""
}