@CONFERENCE\{IMM1992-03773,
    author       = "V. V. Vidal and L. S{\o}rensen",
    title        = "An evaluation of integrated environmental models exemplified with the {RAINS} model",
    year         = "1992",
    booktitle    = "{VI} Latin American Meeting on Operational Research and Systems Engineering, Mexico",
    volume       = "",
    series       = "",
    editor       = "",
    publisher    = "",
    organization = "",
    address      = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/3773-full.html"
}