@CONFERENCE\{IMM2005-04346,
    author       = "H. Rootzen",
    title        = "How to fit professional development into our busy lives: Continuing education voucher systems",
    year         = "2005",
    month        = "aug",
    keywords     = "Learning objects, blended learning, statistics, research-based continuing education",
    booktitle    = "Fifth Annual Meeting of {ENBIS}",
    volume       = "",
    series       = "",
    editor       = "Ron Kennett, Shirley Coleman",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4346-full.html"
}