@CONFERENCE\{IMM1988-02686,
    author       = "S. Vibholm and P. Thyregod",
    title        = "On the Analysis of the Up and Down Test for Sample Sizes up to 30",
    year         = "1988",
    pages        = "523-526",
    booktitle    = "IXth International Conference on Gas Discharges and their Applications",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "Venezia",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2686-full.html"
}