@article{
    Janhunen03:aij,
    author = "Janhunen, Tomi",
    title = "Evaluating the Effect of Semi-Normality on the Expressiveness of Defaults",
    url = "http://dx.doi.org/10.1016/S0004-3702(02)00385-5",
    journal = "Artificial Intelligence",
    number = "1--2",
    month = "March",
    volume = "144",
    flags = "SA-53695",
    year = "2003",
    pages = "233--250"
}