@inproceedings{
    Janhunen01:dgnmr,
    editor = "Brewka, Gerhard and Witteween, Cees and Schaub, Torsten",
    author = "Janhunen, Tomi",
    title = "On the Effect of Default Negation on the Expressiveness of Disjunctive Rules",
    booktitle = "Working Notes of the 5th Dutch-German Workshop on Nonmonotonic Reasoning Techniques and their Applications",
    address = "Potsdam, Germany",
    month = "April",
    year = "2001",
    pages = "102--113"
}