@inproceedings{
    Janhunen00:cl,
    editor = "Lloyd, John and others",
    author = "Janhunen, Tomi",
    publisher = "Springer-Verlag",
    title = "Comparing the Expressive Powers of Some Syntactically Restricted Classes of Logic Programs",
    url = "http://www.tcs.hut.fi/~ttj/publications/",
    booktitle = "Computational Logic, First International Conference",
    address = "London, UK",
    month = "July",
    note = "LNAI 1861",
    year = "2000",
    pages = "852--866"
}