@CONFERENCE\{IMM2004-0687,
    author       = "P. Thyregod and H. Melgaard and J. Iwersen",
    title        = "A monitoring process and assessing process capability under a hierarchial model, Part 1.",
    year         = "2004",
    pages        = "150-167",
    booktitle    = "Frontiers in Statistical Quality Control 7",
    volume       = "",
    series       = "",
    editor       = "H.-J-Lenz, P.-Th.Wilrich",
    publisher    = "Physica Verlag, Heidelberg New York",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/687-full.html",
    isbn_issn    = "3-7908-0145-3"
}