@CONFERENCE\{IMM1973-0895,
    author       = "P. Thyregod",
    title        = "Some parametric models for sampling from finite populations under exchangeable prior knowledge",
    year         = "1973",
    pages        = "530-536",
    booktitle    = "Bull. Inst. Internat. Statist.",
    volume       = "45",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/895-full.html"
}