@ARTICLE\{IMM1991-04367,
    author       = "J. I. Jansen and P. S. S{\o}rensen and H. Spliid",
    title        = "Statistical control of hygienic quality of bathing water",
    year         = "1991",
    pages        = "217-226",
    journal      = "Environmental monitoring and assessment",
    volume       = "17",
    editor       = "",
    number       = "",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/4367-full.html"
}