@ARTICLE\{IMM1999-01678,
    author       = "N. C. Albertsen",
    title        = "S-parameters for weakly excited slots",
    year         = "1999",
    pages        = "401-406",
    journal      = "Electromagnetics",
    volume       = "19",
    editor       = "",
    number       = "5",
    publisher    = "",
    url          = "http://www2.compute.dtu.dk/pubdb/pubs/1678-full.html"
}