@CONFERENCE\{IMM1990-02898,
    author       = "A. Fr{\o}lich and B. F. Nielsen and K. Conradsen and P. McNair",
    title        = "Handling incomplete data sets with statistical techniques.",
    year         = "1990",
    pages        = "61-64",
    booktitle    = "Advanced Informatics in Europe. {KAVAS} workshop on Knowledge Acquistition, Visualization and Assessment.",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "Copenhagen",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/2898-full.html"
}